MLBApp/mlbTVOS/Services/MLBStatsAPI.swift

import Foundation

/// Fetches supplementary game data from the public MLB Stats API.
actor MLBStatsAPI {
    private let baseURL = "https://statsapi.mlb.com/api/v1"

    func fetchStandings(season: String) async throws -> [Int: TeamStanding] {
        let response: StandingsResponse = try await fetchJSON(
            "\(baseURL)/standings?leagueId=103,104&season=\(season)&hydrate=team"
        )

        var result: [Int: TeamStanding] = [:]
        for record in response.records {
            let divisionName = record.division?.name
            for tr in record.teamRecords {
                result[tr.team.id] = TeamStanding(
                    divisionRank: tr.divisionRank,
                    gamesBack: tr.gamesBack == "-" ? nil : tr.gamesBack,
                    streak: tr.streak?.streakCode,
                    divisionName: divisionName
                )
            }
        }
        return result
    }

    func fetchSchedule(date: String) async throws -> [StatsGame] {
        let response: MLBScheduleResponse = try await fetchJSON(
            "\(baseURL)/schedule?sportId=1&date=\(date)&hydrate=team(record),linescore,probablePitcher,venue"
        )
        return response.dates.flatMap(\.games)
    }

    func fetchStandingsRecords(season: String) async throws -> [StandingsDivisionRecord] {
        let response: StandingsResponse = try await fetchJSON(
            "\(baseURL)/standings?leagueId=103,104&season=\(season)&hydrate=team"
        )
        return response.records
    }

    func fetchGameFeed(gamePk: String) async throws -> LiveGameFeed {
        try await fetchJSON("\(baseURL).1/game/\(gamePk)/feed/live")
    }

    func fetchWinProbability(gamePk: String) async throws -> [WinProbabilityEntry] {
        try await fetchJSON("\(baseURL).1/game/\(gamePk)/winProbability")
    }

    func fetchLeagueTeams(season: String) async throws -> [LeagueTeamSummary] {
        let response: TeamsResponse = try await fetchJSON(
            "\(baseURL)/teams?sportId=1&season=\(season)&hydrate=league,division,venue,record"
        )
        return response.teams
            .filter(\.active)
            .sorted { $0.name < $1.name }
            .map(LeagueTeamSummary.init)
    }

    func fetchTeamProfile(teamID: Int, season: String) async throws -> TeamProfile {
        let response: TeamsResponse = try await fetchJSON(
            "\(baseURL)/teams/\(teamID)?sportId=1&season=\(season)&hydrate=league,division,venue,record"
        )
        guard let team = response.teams.first else {
            throw StatsAPIError.notFound
        }
        return TeamProfile(team: team)
    }

    func fetchTeamRoster(teamID: Int, season: String) async throws -> [RosterPlayerSummary] {
        let response: TeamRosterResponse = try await fetchJSON(
            "\(baseURL)/teams/\(teamID)/roster?season=\(season)"
        )
        return response.roster
            .sorted { lhs, rhs in
                lhs.person.fullName < rhs.person.fullName
            }
            .map(RosterPlayerSummary.init)
    }

    func fetchPlayerProfile(personID: Int, season: String) async throws -> PlayerProfile {
        async let personTask: PeopleResponse = fetchJSON("\(baseURL)/people/\(personID)")
        async let statsTask: StatsQueryResponse = fetchJSON(
            "\(baseURL)/people/\(personID)/stats?stats=yearByYear&group=hitting,pitching,fielding&sportIds=1"
        )

        let personResponse = try await personTask
        let statsResponse = try await statsTask

        guard let person = personResponse.people.first else {
            throw StatsAPIError.notFound
        }

        let resolvedSeason = resolvePlayerStatsSeason(
            requestedSeason: season,
            from: statsResponse.stats
        )
        let filteredStatGroups = statsResponse.stats.compactMap { group in
            group.filteredForPlayerProfile(season: resolvedSeason)
        }

        return PlayerProfile(
            person: person,
            season: resolvedSeason ?? season,
            statGroups: filteredStatGroups
        )
    }

    private func resolvePlayerStatsSeason(requestedSeason: String, from groups: [StatsQueryGroup]) -> String? {
        if groups.contains(where: { $0.hasRegularSeasonData(for: requestedSeason) }) {
            return requestedSeason
        }

        return groups
            .flatMap(\.splits)
            .filter(\.isRegularSeason)
            .compactMap { split in
                split.season.flatMap(Int.init)
            }
            .max()
            .map(String.init)
    }

    private func fetchJSON<T: Decodable>(_ urlString: String) async throws -> T {
        guard let url = URL(string: urlString) else {
            throw StatsAPIError.invalidURL
        }

        let (data, response) = try await URLSession.shared.data(from: url)
        guard let http = response as? HTTPURLResponse, (200...299).contains(http.statusCode) else {
            throw StatsAPIError.requestFailed
        }
        return try JSONDecoder().decode(T.self, from: data)
    }
}

// MARK: - Codable Models

struct MLBScheduleResponse: Codable, Sendable {
    let dates: [ScheduleDate]
}

struct ScheduleDate: Codable, Sendable {
    let date: String
    let games: [StatsGame]
}

struct StatsGame: Codable, Sendable, Identifiable {
    let gamePk: Int
    let gameDate: String?
    let status: StatsGameStatus
    let teams: StatsTeams
    let linescore: StatsLinescore?
    let venue: StatsVenue?
    let seriesDescription: String?
    let gameType: String?

    var id: Int { gamePk }

    var isLive: Bool {
        status.abstractGameState == "Live"
    }

    var isFinal: Bool {
        status.abstractGameState == "Final"
    }

    var isScheduled: Bool {
        status.abstractGameState == "Preview"
    }

    /// Format start time from gameDate ISO string
    var startTime: String? {
        guard let dateStr = gameDate else { return nil }
        let isoFormatter = ISO8601DateFormatter()
        isoFormatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
        guard let date = isoFormatter.date(from: dateStr)
                ?? ISO8601DateFormatter().date(from: dateStr) else { return nil }
        let displayFormatter = DateFormatter()
        displayFormatter.dateFormat = "h:mm a"
        displayFormatter.timeZone = .current
        return displayFormatter.string(from: date)
    }
}

struct StatsGameStatus: Codable, Sendable {
    let detailedState: String?
    let abstractGameState: String?
    let statusCode: String?
}

struct StatsTeams: Codable, Sendable {
    let away: StatsTeamGameInfo
    let home: StatsTeamGameInfo
}

struct StatsTeamGameInfo: Codable, Sendable {
    let team: StatsTeamBasic
    let score: Int?
    let leagueRecord: StatsLeagueRecord?
    let probablePitcher: StatsPitcher?
}

struct StatsTeamBasic: Codable, Sendable {
    let id: Int
    let name: String?
    let abbreviation: String?
}

struct StatsLeagueRecord: Codable, Sendable {
    let wins: Int
    let losses: Int
    let pct: String?
}

struct StatsPitcher: Codable, Sendable {
    let id: Int
    let fullName: String?
}

struct StatsLinescore: Codable, Sendable {
    let innings: [StatsInningScore]?
    let teams: StatsLinescoreTeams?
    let currentInning: Int?
    let currentInningOrdinal: String?
    let inningState: String?
    let inningHalf: String?
    let isTopInning: Bool?
    let scheduledInnings: Int?
    let balls: Int?
    let strikes: Int?
    let outs: Int?

    var currentInningDisplay: String? {
        guard let ordinal = currentInningOrdinal,
              let half = inningHalf else { return nil }
        return "\(half) \(ordinal)"
    }

    var hasData: Bool {
        guard let innings, !innings.isEmpty else { return false }
        return innings.contains { ($0.away?.runs != nil) || ($0.home?.runs != nil) }
    }
}

struct StatsInningScore: Codable, Sendable {
    let num: Int
    let away: StatsInningRuns?
    let home: StatsInningRuns?
}

struct StatsInningRuns: Codable, Sendable {
    let runs: Int?
    let hits: Int?
    let errors: Int?
}

struct StatsLinescoreTeams: Codable, Sendable {
    let away: StatsLinescoreTotals?
    let home: StatsLinescoreTotals?
}

struct StatsLinescoreTotals: Codable, Sendable {
    let runs: Int?
    let hits: Int?
    let errors: Int?
}

struct StatsVenue: Codable, Sendable {
    let name: String?
}

// MARK: - Standings Models

struct TeamStanding: Sendable {
    let divisionRank: String?
    let gamesBack: String?
    let streak: String?
    let divisionName: String?
}

struct StandingsResponse: Codable, Sendable {
    let records: [StandingsDivisionRecord]
}

struct StandingsDivisionRecord: Codable, Sendable {
    let division: StandingsDivision?
    let teamRecords: [StandingsTeamRecord]
}

struct StandingsDivision: Codable, Sendable {
    let id: Int?
    let name: String?
}

struct StandingsTeamRecord: Codable, Sendable {
    let team: StatsTeamBasic
    let divisionRank: String?
    let gamesBack: String?
    let streak: StandingsStreak?
    let wins: Int?
    let losses: Int?
}

struct StandingsStreak: Codable, Sendable {
    let streakCode: String?
}

enum StatsAPIError: Error {
    case invalidURL
    case requestFailed
    case notFound
}

// MARK: - League Hub Models

struct TeamsResponse: Codable, Sendable {
    let teams: [LeagueTeam]
}

struct LeagueTeam: Codable, Sendable, Identifiable {
    let id: Int
    let name: String
    let abbreviation: String?
    let teamName: String?
    let locationName: String?
    let clubName: String?
    let franchiseName: String?
    let firstYearOfPlay: String?
    let league: LeagueReference?
    let division: LeagueReference?
    let venue: LeagueVenue?
    let record: LeagueRecordSummary?
    let active: Bool
}

struct LeagueReference: Codable, Sendable {
    let id: Int?
    let name: String?
    let abbreviation: String?
}

struct LeagueVenue: Codable, Sendable {
    let id: Int?
    let name: String?
}

struct LeagueRecordSummary: Codable, Sendable {
    let gamesPlayed: Int?
    let divisionGamesBack: String?
    let wildCardGamesBack: String?
    let leagueRecord: LeagueRecordLine?
    let wins: Int?
    let losses: Int?
    let winningPercentage: String?
}

struct LeagueRecordLine: Codable, Sendable {
    let wins: Int
    let losses: Int
    let ties: Int?
    let pct: String?
}

struct LeagueTeamSummary: Identifiable, Sendable {
    let id: Int
    let name: String
    let abbreviation: String
    let locationName: String
    let clubName: String
    let leagueName: String?
    let divisionName: String?
    let venueName: String?
    let recordText: String?

    init(team: LeagueTeam) {
        id = team.id
        name = team.name
        abbreviation = team.abbreviation ?? team.teamName ?? "MLB"
        locationName = team.locationName ?? team.name
        clubName = team.clubName ?? team.teamName ?? team.name
        leagueName = team.league?.name
        divisionName = team.division?.name
        venueName = team.venue?.name
        if let wins = team.record?.wins, let losses = team.record?.losses {
            recordText = "\(wins)-\(losses)"
        } else {
            recordText = nil
        }
    }

    var teamInfo: TeamInfo {
        TeamInfo(code: abbreviation, name: name, score: nil, teamId: id, record: recordText)
    }
}

struct TeamProfile: Identifiable, Sendable {
    let id: Int
    let name: String
    let abbreviation: String
    let locationName: String
    let clubName: String
    let franchiseName: String?
    let firstYearOfPlay: String?
    let venueName: String?
    let leagueName: String?
    let divisionName: String?
    let recordText: String?
    let gamesBackText: String?

    init(team: LeagueTeam) {
        id = team.id
        name = team.name
        abbreviation = team.abbreviation ?? team.teamName ?? "MLB"
        locationName = team.locationName ?? team.name
        clubName = team.clubName ?? team.teamName ?? team.name
        franchiseName = team.franchiseName
        firstYearOfPlay = team.firstYearOfPlay
        venueName = team.venue?.name
        leagueName = team.league?.name
        divisionName = team.division?.name
        if let wins = team.record?.wins, let losses = team.record?.losses {
            recordText = "\(wins)-\(losses)"
        } else {
            recordText = nil
        }
        if let divisionGamesBack = team.record?.divisionGamesBack, divisionGamesBack != "-" {
            gamesBackText = "\(divisionGamesBack) GB"
        } else {
            gamesBackText = nil
        }
    }

    var teamInfo: TeamInfo {
        TeamInfo(code: abbreviation, name: name, score: nil, teamId: id, record: recordText)
    }
}

struct TeamRosterResponse: Codable, Sendable {
    let roster: [RosterEntry]
}

struct RosterEntry: Codable, Sendable, Identifiable {
    let person: RosterPerson
    let jerseyNumber: String?
    let position: RosterPosition?
    let status: RosterStatus?

    var id: Int { person.id }
}

struct RosterPerson: Codable, Sendable {
    let id: Int
    let fullName: String
}

struct RosterPosition: Codable, Sendable {
    let code: String?
    let name: String?
    let type: String?
    let abbreviation: String?
}

struct RosterStatus: Codable, Sendable {
    let code: String?
    let description: String?
}

struct RosterPlayerSummary: Identifiable, Sendable {
    let id: Int
    let fullName: String
    let jerseyNumber: String?
    let positionAbbreviation: String?
    let status: String?

    init(entry: RosterEntry) {
        id = entry.person.id
        fullName = entry.person.fullName
        jerseyNumber = entry.jerseyNumber
        positionAbbreviation = entry.position?.abbreviation
        status = entry.status?.description
    }

    var headshotURL: URL {
        URL(string: "https://img.mlbstatic.com/mlb-photos/image/upload/w_360,q_auto:best/v1/people/\(id)/headshot/67/current")!
    }
}

struct PeopleResponse: Codable, Sendable {
    let people: [PersonDetail]
}

struct PersonDetail: Codable, Sendable, Identifiable {
    let id: Int
    let fullName: String
    let firstName: String?
    let lastName: String?
    let primaryNumber: String?
    let birthDate: String?
    let currentAge: Int?
    let birthCity: String?
    let birthStateProvince: String?
    let birthCountry: String?
    let height: String?
    let weight: Int?
    let active: Bool?
    let primaryPosition: PersonPosition?
    let batSide: Handedness?
    let pitchHand: Handedness?
    let mlbDebutDate: String?
}

struct PersonPosition: Codable, Sendable {
    let code: String?
    let name: String?
    let type: String?
    let abbreviation: String?
}

struct Handedness: Codable, Sendable {
    let code: String?
    let description: String?
}

struct StatsQueryResponse: Codable, Sendable {
    let stats: [StatsQueryGroup]
}

struct StatsQueryGroup: Codable, Sendable, Identifiable {
    let type: StatsQueryDescriptor?
    let group: StatsQueryDescriptor?
    let splits: [StatsQuerySplit]

    var id: String {
        "\(group?.displayName ?? "stats")-\(type?.displayName ?? "season")"
    }
}

struct StatsQueryDescriptor: Codable, Sendable {
    let displayName: String?
}

struct StatsQuerySplit: Codable, Sendable {
    let season: String?
    let gameType: String?
    let stat: [String: JSONValue]
}

struct PlayerProfile: Identifiable, Sendable {
    let id: Int
    let fullName: String
    let primaryNumber: String?
    let primaryPosition: String?
    let currentAge: Int?
    let birthDate: String?
    let birthPlace: String?
    let height: String?
    let weight: Int?
    let bats: String?
    let throwsHand: String?
    let debutDate: String?
    let seasonLabel: String
    let statGroups: [PlayerStatSummary]

    init(person: PersonDetail, season: String, statGroups: [StatsQueryGroup]) {
        id = person.id
        fullName = person.fullName
        primaryNumber = person.primaryNumber
        primaryPosition = person.primaryPosition?.abbreviation ?? person.primaryPosition?.name
        currentAge = person.currentAge
        birthDate = person.birthDate
        let placeParts = [person.birthCity, person.birthStateProvince, person.birthCountry]
            .compactMap { $0?.isEmpty == false ? $0 : nil }
        birthPlace = placeParts.isEmpty ? nil : placeParts.joined(separator: ", ")
        height = person.height
        weight = person.weight
        bats = person.batSide?.description
        throwsHand = person.pitchHand?.description
        debutDate = person.mlbDebutDate
        seasonLabel = season
        self.statGroups = statGroups.compactMap(PlayerStatSummary.init)
    }

    var headshotURL: URL {
        URL(string: "https://img.mlbstatic.com/mlb-photos/image/upload/w_360,q_auto:best/v1/people/\(id)/headshot/67/current")!
    }
}

struct PlayerStatSummary: Identifiable, Sendable {
    let id: String
    let title: String
    let items: [PlayerStatItem]

    init?(group: StatsQueryGroup) {
        guard let split = group.splits.first else { return nil }

        let groupName = group.group?.displayName ?? "Stats"
        let title = groupName.capitalized
        let preferredKeys: [String]
        switch groupName.lowercased() {
        case "hitting":
            preferredKeys = ["avg", "obp", "slg", "ops", "homeRuns", "rbi", "hits", "runs", "baseOnBalls", "stolenBases"]
        case "pitching":
            preferredKeys = ["era", "wins", "losses", "saves", "inningsPitched", "strikeOuts", "whip", "baseOnBalls", "hits", "runs"]
        case "fielding":
            preferredKeys = ["fielding", "assists", "putOuts", "errors", "chances", "gamesStarted"]
        default:
            preferredKeys = Array(split.stat.keys.sorted().prefix(8))
        }

        let items = preferredKeys.compactMap { key -> PlayerStatItem? in
            guard let value = split.stat[key]?.displayString else { return nil }
            return PlayerStatItem(label: key.statLabel, value: value)
        }

        guard !items.isEmpty else { return nil }

        id = group.id
        self.title = title
        self.items = items
    }
}

private extension StatsQueryGroup {
    func hasRegularSeasonData(for season: String) -> Bool {
        splits.contains { split in
            split.isRegularSeason && split.season == season
        }
    }

    func filteredForPlayerProfile(season: String?) -> StatsQueryGroup? {
        guard let season else { return nil }

        let filteredSplits = splits.filter { split in
            split.isRegularSeason && split.season == season
        }

        guard !filteredSplits.isEmpty else { return nil }

        return StatsQueryGroup(
            type: type,
            group: group,
            splits: filteredSplits
        )
    }
}

private extension StatsQuerySplit {
    var isRegularSeason: Bool {
        guard let gameType else { return true }
        return gameType == "R"
    }
}

struct PlayerStatItem: Sendable {
    let label: String
    let value: String
}

enum JSONValue: Codable, Sendable {
    case string(String)
    case int(Int)
    case double(Double)
    case bool(Bool)
    case object([String: JSONValue])
    case array([JSONValue])
    case null

    init(from decoder: Decoder) throws {
        let container = try decoder.singleValueContainer()
        if container.decodeNil() {
            self = .null
        } else if let value = try? container.decode(String.self) {
            self = .string(value)
        } else if let value = try? container.decode(Int.self) {
            self = .int(value)
        } else if let value = try? container.decode(Double.self) {
            self = .double(value)
        } else if let value = try? container.decode(Bool.self) {
            self = .bool(value)
        } else if let value = try? container.decode([String: JSONValue].self) {
            self = .object(value)
        } else if let value = try? container.decode([JSONValue].self) {
            self = .array(value)
        } else {
            throw DecodingError.typeMismatch(
                JSONValue.self,
                .init(codingPath: decoder.codingPath, debugDescription: "Unsupported JSON value")
            )
        }
    }

    func encode(to encoder: Encoder) throws {
        var container = encoder.singleValueContainer()
        switch self {
        case .string(let value):
            try container.encode(value)
        case .int(let value):
            try container.encode(value)
        case .double(let value):
            try container.encode(value)
        case .bool(let value):
            try container.encode(value)
        case .object(let value):
            try container.encode(value)
        case .array(let value):
            try container.encode(value)
        case .null:
            try container.encodeNil()
        }
    }

    var displayString: String? {
        switch self {
        case .string(let value):
            return value
        case .int(let value):
            return String(value)
        case .double(let value):
            if value.rounded() == value {
                return String(Int(value))
            }
            return String(format: "%.3f", value)
                .replacingOccurrences(of: #"(\.\d*?[1-9])0+$"#, with: "$1", options: .regularExpression)
                .replacingOccurrences(of: #"\.0+$"#, with: "", options: .regularExpression)
        case .bool(let value):
            return value ? "Yes" : "No"
        case .object, .array, .null:
            return nil
        }
    }
}

private extension String {
    var statLabel: String {
        switch self {
        case "avg": return "AVG"
        case "obp": return "OBP"
        case "slg": return "SLG"
        case "ops": return "OPS"
        case "era": return "ERA"
        case "whip": return "WHIP"
        case "rbi": return "RBI"
        default:
            let pattern = "([a-z0-9])([A-Z])"
            return replacingOccurrences(of: pattern, with: "$1 $2", options: .regularExpression)
                .replacingOccurrences(of: "_", with: " ")
                .capitalized
        }
    }
}

// MARK: - Live Game Feed Models

struct LiveGameFeed: Codable, Sendable {
    let metaData: LiveFeedMetaData?
    let gameData: LiveFeedGameData
    let liveData: LiveFeedData

    var recentPlays: [LiveFeedPlay] {
        Array(liveData.plays.allPlays.suffix(12).reversed())
    }

    var scoringPlays: [LiveFeedPlay] {
        liveData.plays.allPlays.filter { $0.about?.isScoringPlay == true }
    }

    var currentPlay: LiveFeedPlay? {
        liveData.plays.currentPlay ?? liveData.plays.allPlays.last
    }

    var currentBatter: LiveFeedPlayerReference? {
        liveData.linescore?.offense?.batter ?? currentPlay?.matchup?.batter
    }

    var currentPitcher: LiveFeedPlayerReference? {
        liveData.linescore?.defense?.pitcher ?? currentPlay?.matchup?.pitcher
    }

    var onDeckBatter: LiveFeedPlayerReference? {
        liveData.linescore?.offense?.onDeck
    }

    var inHoleBatter: LiveFeedPlayerReference? {
        liveData.linescore?.offense?.inHole
    }

    var currentCountText: String? {
        guard let count = currentPlay?.count else { return nil }
        return "\(count.balls)-\(count.strikes), \(count.outs) out\(count.outs == 1 ? "" : "s")"
    }

    var occupiedBases: [String] {
        var bases: [String] = []
        if liveData.linescore?.offense?.first != nil { bases.append("1B") }
        if liveData.linescore?.offense?.second != nil { bases.append("2B") }
        if liveData.linescore?.offense?.third != nil { bases.append("3B") }
        return bases
    }

    var officialSummary: [String] {
        (liveData.boxscore?.officials ?? []).compactMap { official in
            guard let type = official.officialType, let name = official.official?.fullName else { return nil }
            return "\(type): \(name)"
        }
    }

    var weatherSummary: String? {
        guard let weather = gameData.weather else { return nil }
        return [weather.condition, weather.temp.map { "\($0)°" }, weather.wind]
            .compactMap { $0 }
            .joined(separator: " • ")
    }

    var decisionsSummary: [String] {
        var result: [String] = []
        if let winner = liveData.decisions?.winner?.fullName {
            result.append("W: \(winner)")
        }
        if let loser = liveData.decisions?.loser?.fullName {
            result.append("L: \(loser)")
        }
        if let save = liveData.decisions?.save?.fullName {
            result.append("SV: \(save)")
        }
        return result
    }

    var awayLineup: [LiveFeedBoxscorePlayer] {
        liveData.boxscore?.teams?.away.lineupPlayers ?? []
    }

    var homeLineup: [LiveFeedBoxscorePlayer] {
        liveData.boxscore?.teams?.home.lineupPlayers ?? []
    }

    var currentAtBatPitches: [LiveFeedPlayEvent] {
        currentPlay?.pitches ?? []
    }

    var allGameHits: [(play: LiveFeedPlay, hitData: LiveFeedHitData)] {
        liveData.plays.allPlays.compactMap { play in
            guard let lastEvent = play.playEvents?.last,
                  let hitData = lastEvent.hitData,
                  hitData.coordinates?.coordX != nil else { return nil }
            return (play: play, hitData: hitData)
        }
    }
}

struct LiveFeedMetaData: Codable, Sendable {
    let wait: Int?
    let timeStamp: String?
    let gameEvents: [String]?
    let logicalEvents: [String]?
}

struct LiveFeedGameData: Codable, Sendable {
    let game: LiveFeedGameInfo?
    let datetime: LiveFeedDateTime?
    let status: LiveFeedStatus?
    let teams: LiveFeedGameTeams?
    let probablePitchers: LiveFeedProbablePitchers?
    let venue: LiveFeedVenue?
    let weather: LiveFeedWeather?
}

struct LiveFeedGameInfo: Codable, Sendable {
    let pk: Int?
    let type: String?
    let season: String?
}

struct LiveFeedDateTime: Codable, Sendable {
    let dateTime: String?
    let officialDate: String?
    let time: String?
    let ampm: String?
}

struct LiveFeedStatus: Codable, Sendable {
    let abstractGameState: String?
    let detailedState: String?
    let codedGameState: String?
}

struct LiveFeedGameTeams: Codable, Sendable {
    let away: LiveFeedGameTeam?
    let home: LiveFeedGameTeam?
}

struct LiveFeedGameTeam: Codable, Sendable {
    let id: Int?
    let name: String?
    let abbreviation: String?
    let record: LeagueRecordSummary?
}

struct LiveFeedProbablePitchers: Codable, Sendable {
    let away: LiveFeedPlayerReference?
    let home: LiveFeedPlayerReference?
}

struct LiveFeedVenue: Codable, Sendable {
    let id: Int?
    let name: String?
}

struct LiveFeedWeather: Codable, Sendable {
    let condition: String?
    let temp: String?
    let wind: String?
}

struct LiveFeedData: Codable, Sendable {
    let plays: LiveFeedPlays
    let linescore: LiveFeedLinescore?
    let boxscore: LiveFeedBoxscore?
    let decisions: LiveFeedDecisions?
}

struct LiveFeedPlays: Codable, Sendable {
    let currentPlay: LiveFeedPlay?
    let allPlays: [LiveFeedPlay]
}

struct LiveFeedPlay: Codable, Sendable, Identifiable {
    let result: LiveFeedPlayResult?
    let about: LiveFeedPlayAbout?
    let count: LiveFeedPlayCount?
    let matchup: LiveFeedPlayMatchup?
    let playEvents: [LiveFeedPlayEvent]?

    var pitches: [LiveFeedPlayEvent] {
        playEvents?.filter { $0.isPitch == true } ?? []
    }

    var id: String {
        let inning = about?.inning ?? -1
        let half = about?.halfInning ?? "play"
        let atBat = about?.atBatIndex ?? -1
        let event = result?.eventType ?? result?.event ?? result?.description ?? "update"
        return "\(inning)-\(half)-\(atBat)-\(event)"
    }

    var summaryText: String {
        result?.description ?? result?.event ?? "Play update"
    }
}

struct LiveFeedPlayResult: Codable, Sendable {
    let type: String?
    let event: String?
    let eventType: String?
    let description: String?
}

struct LiveFeedPlayAbout: Codable, Sendable {
    let atBatIndex: Int?
    let halfInning: String?
    let inning: Int?
    let isScoringPlay: Bool?
}

struct LiveFeedPlayCount: Codable, Sendable {
    let balls: Int
    let strikes: Int
    let outs: Int
}

struct LiveFeedPlayMatchup: Codable, Sendable {
    let batter: LiveFeedPlayerReference?
    let pitcher: LiveFeedPlayerReference?
}

struct LiveFeedPlayerReference: Codable, Sendable, Identifiable {
    let id: Int?
    let fullName: String?
    let link: String?

    var displayName: String {
        fullName ?? "TBD"
    }

    var headshotURL: URL? {
        guard let id else { return nil }
        return URL(string: "https://img.mlbstatic.com/mlb-photos/image/upload/w_213,q_auto:best/v1/people/\(id)/headshot/67/current")
    }
}

struct LiveFeedLinescore: Codable, Sendable {
    let currentInning: Int?
    let currentInningOrdinal: String?
    let inningHalf: String?
    let inningState: String?
    let scheduledInnings: Int?
    let offense: LiveFeedOffenseState?
    let defense: LiveFeedDefenseState?
    let teams: StatsLinescoreTeams?

    var inningDisplay: String? {
        if let inningHalf, let currentInningOrdinal {
            return "\(inningHalf) \(currentInningOrdinal)"
        }
        if let inningState, let currentInningOrdinal {
            return "\(inningState) \(currentInningOrdinal)"
        }
        return nil
    }
}

struct LiveFeedOffenseState: Codable, Sendable {
    let batter: LiveFeedPlayerReference?
    let onDeck: LiveFeedPlayerReference?
    let inHole: LiveFeedPlayerReference?
    let first: LiveFeedPlayerReference?
    let second: LiveFeedPlayerReference?
    let third: LiveFeedPlayerReference?
}

struct LiveFeedDefenseState: Codable, Sendable {
    let pitcher: LiveFeedPlayerReference?
}

struct LiveFeedBoxscore: Codable, Sendable {
    let teams: LiveFeedBoxscoreTeams?
    let officials: [LiveFeedOfficial]?
}

struct LiveFeedBoxscoreTeams: Codable, Sendable {
    let away: LiveFeedBoxscoreTeam
    let home: LiveFeedBoxscoreTeam
}

struct LiveFeedBoxscoreTeam: Codable, Sendable {
    let team: StatsTeamBasic?
    let players: [String: LiveFeedBoxscorePlayer]
    let battingOrder: [JSONValue]?
    let batters: [Int]?

    var lineupPlayers: [LiveFeedBoxscorePlayer] {
        let orderedIDs = battingOrder?.compactMap(\.displayString) ?? batters?.map(String.init) ?? []
        let players = orderedIDs.compactMap(player(forIdentifier:))
        if !players.isEmpty {
            return players
        }
        return self.players.values.sorted { lhs, rhs in
            (lhs.battingOrder ?? "999") < (rhs.battingOrder ?? "999")
        }
    }

    private func player(forIdentifier identifier: String) -> LiveFeedBoxscorePlayer? {
        if let player = players[identifier] {
            return player
        }
        if let player = players["ID\(identifier)"] {
            return player
        }
        if identifier.hasPrefix("ID"), let player = players[String(identifier.dropFirst(2))] {
            return player
        }
        return nil
    }
}

struct LiveFeedBoxscorePlayer: Codable, Sendable, Identifiable {
    let person: LiveFeedPlayerReference
    let jerseyNumber: String?
    let position: PersonPosition?
    let battingOrder: String?

    var id: Int { person.id ?? -1 }
}

struct LiveFeedOfficial: Codable, Sendable {
    let official: LiveFeedPlayerReference?
    let officialType: String?
}

struct LiveFeedDecisions: Codable, Sendable {
    let winner: LiveFeedPlayerReference?
    let loser: LiveFeedPlayerReference?
    let save: LiveFeedPlayerReference?
}

// MARK: - Play Event / Pitch Data Models

struct LiveFeedPlayEvent: Codable, Sendable, Identifiable {
    let details: LiveFeedPlayEventDetails?
    let count: LiveFeedPlayCount?
    let pitchData: LiveFeedPitchData?
    let hitData: LiveFeedHitData?
    let isPitch: Bool?
    let pitchNumber: Int?
    let index: Int?

    var id: Int { index ?? pitchNumber ?? 0 }

    var callCode: String {
        details?.call?.code ?? ""
    }

    var callDescription: String {
        details?.call?.description ?? details?.description ?? ""
    }

    var pitchTypeDescription: String {
        details?.type?.description ?? "Unknown"
    }

    var pitchTypeCode: String {
        details?.type?.code ?? ""
    }

    var speedMPH: Double? {
        pitchData?.startSpeed
    }
}

struct LiveFeedPlayEventDetails: Codable, Sendable {
    let call: LiveFeedCallInfo?
    let description: String?
    let type: LiveFeedPitchType?
}

struct LiveFeedCallInfo: Codable, Sendable {
    let code: String?
    let description: String?
}

struct LiveFeedPitchType: Codable, Sendable {
    let code: String?
    let description: String?
}

struct LiveFeedPitchData: Codable, Sendable {
    let startSpeed: Double?
    let endSpeed: Double?
    let strikeZoneTop: Double?
    let strikeZoneBottom: Double?
    let coordinates: LiveFeedPitchCoordinates?
    let zone: Int?
}

struct LiveFeedPitchCoordinates: Codable, Sendable {
    let pX: Double?
    let pZ: Double?
}

struct LiveFeedHitData: Codable, Sendable {
    let launchSpeed: Double?
    let launchAngle: Double?
    let totalDistance: Double?
    let coordinates: LiveFeedHitCoordinates?
}

struct LiveFeedHitCoordinates: Codable, Sendable {
    let coordX: Double?
    let coordY: Double?
}

// MARK: - Win Probability

struct WinProbabilityEntry: Codable, Sendable {
    let atBatIndex: Int?
    let homeTeamWinProbability: Double?
    let awayTeamWinProbability: Double?
}