//
//  MoodEntryModel.swift
//  Reflect
//
//  SwiftData model replacing Core Data MoodEntry
//

import Foundation
import SwiftData

// MARK: - Entry Type Enum

enum EntryType: Int, Codable {
    case listView = 0
    case widget = 1
    case watch = 2
    case shortcut = 3
    case filledInMissing = 4
    case notification = 5
    case header = 6
    case siri = 7
    case controlCenter = 8
    case liveActivity = 9
}

// MARK: - SwiftData Model

@Model
final class MoodEntryModel {
    // Primary attributes - CloudKit requires default values
    var forDate: Date = Date()
    var moodValue: Int = 0
    var timestamp: Date = Date()
    var weekDay: Int = 1
    var entryType: Int = 0

    // Metadata - CloudKit requires default values
    var canEdit: Bool = true
    var canDelete: Bool = true

    // Journal & Media (NEW)
    var notes: String?
    var photoID: UUID?

    // Weather
    var weatherJSON: String?

    // Guided Reflection
    var reflectionJSON: String?

    // AI-extracted theme tags (JSON array of strings)
    var tagsJSON: String?

    // Computed properties
    var mood: Mood {
        Mood(rawValue: moodValue) ?? .missing
    }

    /// Decoded tags from tagsJSON, or empty array if none
    var tags: [String] {
        guard let json = tagsJSON, let data = json.data(using: .utf8),
              let decoded = try? JSONDecoder().decode([String].self, from: data) else {
            return []
        }
        return decoded
    }

    /// Whether this entry has AI-extracted tags
    var hasTags: Bool {
        !tags.isEmpty
    }

    var moodString: String {
        mood.strValue
    }

    init(
        forDate: Date,
        mood: Mood,
        entryType: EntryType,
        canEdit: Bool = true,
        canDelete: Bool = true,
        notes: String? = nil,
        photoID: UUID? = nil,
        weatherJSON: String? = nil,
        reflectionJSON: String? = nil
    ) {
        self.forDate = forDate
        self.moodValue = mood.rawValue
        self.timestamp = Date()
        self.weekDay = Calendar.current.component(.weekday, from: forDate)
        self.entryType = entryType.rawValue
        self.canEdit = canEdit
        self.canDelete = canDelete
        self.notes = notes
        self.photoID = photoID
        self.weatherJSON = weatherJSON
        self.reflectionJSON = reflectionJSON
    }

    // Convenience initializer for raw values
    init(
        forDate: Date,
        moodValue: Int,
        entryType: Int,
        timestamp: Date = Date(),
        weekDay: Int? = nil,
        canEdit: Bool = true,
        canDelete: Bool = true,
        notes: String? = nil,
        photoID: UUID? = nil,
        weatherJSON: String? = nil,
        reflectionJSON: String? = nil
    ) {
        self.forDate = forDate
        self.moodValue = moodValue
        self.timestamp = timestamp
        self.weekDay = weekDay ?? Calendar.current.component(.weekday, from: forDate)
        self.entryType = entryType
        self.canEdit = canEdit
        self.canDelete = canDelete
        self.notes = notes
        self.photoID = photoID
        self.weatherJSON = weatherJSON
        self.reflectionJSON = reflectionJSON
    }
}