import SwiftUI

struct CommunityPostCard: View {
    let creatorNickname: String
    let creatorProfileImageUrl: String?
    let content: String
    let imageUrl: String?
    let price: Int?
    let existOrdered: Bool
    let createdAt: String?
    let likeCount: Int?
    let commentCount: Int?

    var body: some View {
        VStack(alignment: .leading, spacing: SodaSpacing.s12) {
            header

            Text(content)
                .appFont(.body4)
                .foregroundColor(.white)
                .lineLimit(3)
                .truncationMode(.tail)

            if hasImage {
                imageContent
            }

            footer
        }
        .padding(SodaSpacing.s12)
        .background(Color.gray900)
        .clipShape(RoundedRectangle(cornerRadius: SodaSpacing.s14, style: .continuous))
    }

    private var header: some View {
        HStack(spacing: SodaSpacing.s8) {
            DownsampledKFImage(url: URL(string: creatorProfileImageUrl ?? ""), size: CGSize(width: 32, height: 32))
                .background(Color.gray800)
                .clipShape(Circle())

            Text(creatorNickname)
                .appFont(.body5)
                .foregroundColor(.white)
                .lineLimit(1)

            Spacer(minLength: 0)
        }
    }

    private var imageContent: some View {
        ZStack {
            DownsampledKFImage(url: URL(string: imageUrl ?? ""), size: CGSize(width: 240, height: 150))
                .background(Color.gray800)
                .frame(maxWidth: .infinity)
                .clipShape(RoundedRectangle(cornerRadius: SodaSpacing.s12, style: .continuous))
                .blur(radius: isLocked ? 8 : 0)

            if isLocked {
                VStack(spacing: SodaSpacing.s6) {
                    Image("ic_new_community_lock")
                        .resizable()
                        .renderingMode(.template)
                        .foregroundColor(.white)
                        .frame(width: 24, height: 24)

                    if let price {
                        Text("\(price) can")
                            .appFont(.caption2)
                            .foregroundColor(Color.button)
                            .padding(.horizontal, SodaSpacing.s12)
                            .padding(.vertical, SodaSpacing.s6)
                            .overlay(
                                Capsule()
                                    .stroke(Color.button, lineWidth: 1)
                            )
                    }
                }
            }
        }
    }

    private var footer: some View {
        HStack(spacing: SodaSpacing.s12) {
            if let createdAt, !createdAt.isEmpty {
                Text(createdAt)
                    .appFont(.caption2)
                    .foregroundColor(Color.gray500)
            }

            if let likeCount {
                Text("Like \(likeCount)")
                    .appFont(.caption2)
                    .foregroundColor(Color.gray500)
            }

            if let commentCount {
                Text("Comment \(commentCount)")
                    .appFont(.caption2)
                    .foregroundColor(Color.gray500)
            }
        }
    }

    private var hasImage: Bool {
        !(imageUrl ?? "").isEmpty
    }

    private var isLocked: Bool {
        (price ?? 0) > 0 && !existOrdered
    }
}

struct CommunityPostCard_Previews: PreviewProvider {
    static var previews: some View {
        CommunityPostCard(
            creatorNickname: "크리에이터",
            creatorProfileImageUrl: nil,
            content: "커뮤니티 본문입니다.",
            imageUrl: nil,
            price: nil,
            existOrdered: false,
            createdAt: "방금 전",
            likeCount: 10,
            commentCount: 2
        )
        .padding(SodaSpacing.s20)
        .background(Color.black)
        .previewLayout(.sizeThatFits)
    }
}