//
//  AudioContentCard.swift
//  SodaLive
//

import SwiftUI

enum AudioContentCardSize {
    case large
    case medium
    case small

    var width: CGFloat {
        switch self {
        case .large:
            return 185
        case .medium:
            return 163
        case .small:
            return 122
        }
    }

    var labelWidth: CGFloat {
        width - (labelHorizontalPadding * 2)
    }

    var labelHorizontalPadding: CGFloat {
        switch self {
        case .large:
            return 0
        case .medium:
            return SodaSpacing.s6
        case .small:
            return SodaSpacing.s4
        }
    }

    var titleTypography: SodaTypography {
        switch self {
        case .large, .medium:
            return .heading4
        case .small:
            return .body1
        }
    }

    var subtitleTypography: SodaTypography {
        switch self {
        case .large, .medium:
            return .body5
        case .small:
            return .caption2
        }
    }
}

struct AudioContentCard<Thumbnail: View>: View {
    let size: AudioContentCardSize
    let title: String
    let subtitle: String
    private let thumbnail: Thumbnail

    init(
        size: AudioContentCardSize,
        title: String,
        subtitle: String,
        @ViewBuilder thumbnail: () -> Thumbnail
    ) {
        self.size = size
        self.title = title
        self.subtitle = subtitle
        self.thumbnail = thumbnail()
    }

    var body: some View {
        VStack(alignment: .leading, spacing: SodaSpacing.s8) {
            thumbnailContent

            labelContent
        }
        .frame(width: size.width, alignment: .leading)
    }

    private var thumbnailContent: some View {
        thumbnail
            .frame(width: size.width, height: size.width)
            .clipped()
        .frame(width: size.width, height: size.width)
        .clipShape(RoundedRectangle(cornerRadius: SodaSpacing.s14, style: .continuous))
    }

    private var labelContent: some View {
        VStack(alignment: .leading, spacing: 2) {
            Text(title)
                .appFont(size.titleTypography)
                .foregroundColor(.white)
                .lineLimit(1)
                .truncationMode(.tail)

            Text(subtitle)
                .appFont(size.subtitleTypography)
                .foregroundColor(Color.gray500)
                .lineLimit(1)
                .truncationMode(.tail)
        }
        .frame(width: size.labelWidth, alignment: .leading)
        .padding(.horizontal, size.labelHorizontalPadding)
        .frame(width: size.width, alignment: .leading)
    }
}

struct AudioContentCard_Previews: PreviewProvider {
    static var previews: some View {
        HStack(alignment: .top, spacing: SodaSpacing.s20) {
            AudioContentCard(
                size: .large,
                title: "오디오 콘텐츠 제목입니다",
                subtitle: "크리에이터명"
            ) {
                previewThumbnail(Color.gray800)
            }

            AudioContentCard(
                size: .medium,
                title: "긴 제목은 한 줄로 말줄임 처리됩니다",
                subtitle: "긴 부제목도 한 줄로 말줄임 처리됩니다"
            ) {
                previewThumbnail(Color.gray700)
            }

            AudioContentCard(
                size: .small,
                title: "스몰 카드",
                subtitle: "오디오"
            ) {
                previewThumbnail(Color.gray900)
            }
        }
        .padding(SodaSpacing.s20)
        .background(Color.black)
        .previewLayout(.sizeThatFits)
    }

    private static func previewThumbnail(_ color: Color) -> some View {
        ZStack {
            color

            Image(systemName: "waveform")
                .font(.system(size: 32, weight: .bold))
                .foregroundColor(Color.gray500)
        }
    }
}