//
//  CurrentStreakVariations.swift
//  Reflect
//
//  2 design variations for the Current Streak (Last 10 Days) sharing template.
//

import SwiftUI

// MARK: - V2 "Gradient Cards" — 2x5 grid of colored cards

struct CurrentStreakV2: View {
    let moodEntries: [MoodEntryModel]

    @AppStorage(UserDefaultsStore.Keys.moodTint.rawValue, store: GroupUserDefaults.groupDefaults)
    private var moodTint: MoodTints = .Default

    private let dayFormatter: DateFormatter = {
        let f = DateFormatter()
        f.dateFormat = "EEE"
        return f
    }()

    private let numFormatter: DateFormatter = {
        let f = DateFormatter()
        f.dateFormat = "d"
        return f
    }()

    var image: UIImage {
        shareView.asImage(size: CGSize(width: 666, height: 1190))
    }

    let columns = [
        GridItem(.flexible(), spacing: 16),
        GridItem(.flexible(), spacing: 16)
    ]

    var shareView: some View {
        ZStack {
            LinearGradient(
                colors: [Color(hex: "FFF5EE"), Color(hex: "FFE8D6")],
                startPoint: .top,
                endPoint: .bottom
            )

            VStack(spacing: 0) {
                Spacer().frame(height: 40)

                Text("Last 10 Days")
                    .font(.system(size: 28, weight: .bold, design: .rounded))
                    .foregroundColor(Color(hex: "4A2810"))

                Spacer().frame(height: 6)

                Text("Your recent moods")
                    .font(.system(size: 16, weight: .medium, design: .rounded))
                    .foregroundColor(Color(hex: "8B5E3C").opacity(0.7))

                Spacer().frame(height: 24)

                LazyVGrid(columns: columns, spacing: 12) {
                    ForEach(moodEntries) { entry in
                        VStack(spacing: 8) {
                            entry.mood.icon
                                .resizable()
                                .aspectRatio(contentMode: .fit)
                                .frame(width: 36, height: 36)
                                .foregroundColor(.white)

                            Text(dayFormatter.string(from: entry.forDate ?? Date()))
                                .font(.system(size: 14, weight: .semibold, design: .rounded))
                                .foregroundColor(.white.opacity(0.9))

                            Text(numFormatter.string(from: entry.forDate ?? Date()))
                                .font(.system(size: 28, weight: .heavy, design: .rounded))
                                .foregroundColor(.white)
                        }
                        .frame(maxWidth: .infinity)
                        .padding(.vertical, 16)
                        .background(
                            RoundedRectangle(cornerRadius: 20)
                                .fill(moodTint.color(forMood: entry.mood))
                                .shadow(color: moodTint.color(forMood: entry.mood).opacity(0.3), radius: 10, y: 5)
                        )
                    }
                }
                .padding(.horizontal, 36)

                Spacer()

                VStack(spacing: 10) {
                    Image("ReflectAppIcon")
                        .resizable()
                        .aspectRatio(contentMode: .fit)
                        .frame(width: 96, height: 96)
                        .clipShape(RoundedRectangle(cornerRadius: 22))

                    Text("Reflect")
                        .font(.system(size: 28, weight: .semibold, design: .rounded))
                        .foregroundColor(Color(hex: "8B5E3C").opacity(0.4))
                }

                Spacer().frame(height: 50)
            }
        }
        .frame(width: 666, height: 1190)
    }

    var body: some View { shareView }
}

// MARK: - V5 "Color Strips" — Full-width mood-colored horizontal strips

struct CurrentStreakV5: View {
    let moodEntries: [MoodEntryModel]

    @AppStorage(UserDefaultsStore.Keys.moodTint.rawValue, store: GroupUserDefaults.groupDefaults)
    private var moodTint: MoodTints = .Default

    private let dayFormatter: DateFormatter = {
        let f = DateFormatter()
        f.dateFormat = "EEEE"
        return f
    }()

    private let numFormatter: DateFormatter = {
        let f = DateFormatter()
        f.dateFormat = "d"
        return f
    }()

    var image: UIImage {
        shareView.asImage(size: CGSize(width: 666, height: 1190))
    }

    var shareView: some View {
        ZStack {
            Color(hex: "1C1C1E")

            VStack(spacing: 0) {
                // Header
                VStack(spacing: 4) {
                    Text("10 DAYS")
                        .font(.system(size: 16, weight: .heavy, design: .rounded))
                        .foregroundColor(.white)
                        .tracking(4)

                    Text("of feeling")
                        .font(.system(size: 13, weight: .medium, design: .rounded))
                        .foregroundColor(.white.opacity(0.5))
                }
                .frame(height: 80)

                // Color strips
                ForEach(moodEntries) { entry in
                    ZStack {
                        moodTint.color(forMood: entry.mood)

                        HStack {
                            entry.mood.icon
                                .resizable()
                                .aspectRatio(contentMode: .fit)
                                .frame(width: 28, height: 28)
                                .foregroundColor(.white.opacity(0.9))

                            Text(entry.mood.strValue)
                                .font(.system(size: 18, weight: .bold, design: .rounded))
                                .foregroundColor(.white)

                            Spacer()

                            Text(dayFormatter.string(from: entry.forDate ?? Date()))
                                .font(.system(size: 14, weight: .medium, design: .rounded))
                                .foregroundColor(.white.opacity(0.7))

                            Text(numFormatter.string(from: entry.forDate ?? Date()))
                                .font(.system(size: 28, weight: .heavy, design: .rounded))
                                .foregroundColor(.white)
                        }
                        .padding(.horizontal, 32)
                    }
                    .frame(maxWidth: .infinity)
                    .frame(height: 84)
                }

                Spacer()

                // Footer
                VStack(spacing: 10) {
                    Image("ReflectAppIcon")
                        .resizable()
                        .aspectRatio(contentMode: .fit)
                        .frame(width: 96, height: 96)
                        .clipShape(RoundedRectangle(cornerRadius: 22))

                    Text("Reflect")
                        .font(.system(size: 28, weight: .bold, design: .rounded))
                        .foregroundColor(.white.opacity(0.3))
                }

                Spacer().frame(height: 40)
            }
        }
        .frame(width: 666, height: 1190)
    }

    var body: some View { shareView }
}
