//
//  GetSeriesDetailResponse.swift
//  SodaLive
//
//  Created by klaus on 4/29/24.
//

import Foundation

struct GetSeriesDetailResponse: Decodable {
    let seriesId: Int
    let title: String
    let coverImage: String
    let introduction: String
    let genre: String
    let isAdult: Bool
    let writer: String?
    let studio: String?
    let publishedDate: String
    let publishedDateUtc: String
    let creator: GetSeriesDetailCreator
    let rentalMinPrice: Int
    let rentalMaxPrice: Int
    let rentalPeriod: Int
    let minPrice: Int
    let maxPrice: Int
    let keywordList: [String]
    let publishedDaysOfWeek: String
    let contentList: [GetSeriesContentListItem]
    let contentCount: Int
    let translated: TranslatedSeries?
    let translatedGenre: String?
}

struct GetSeriesDetailCreator: Decodable {
    let creatorId: Int
    let nickname: String
    let profileImage: String
    let isFollow: Bool
    let isNotify: Bool
}

struct TranslatedSeries: Decodable {
    let title: String
    let introduction: String
    let keywords: [String]
}

// 표시용 계산 프로퍼티: 번역 데이터가 있으면 번역을 우선 사용
extension GetSeriesDetailResponse {
    // 번역된 제목 우선
    var displayTitle: String { translated?.title ?? title }
    // 번역된 소개 우선
    var displayIntroduction: String { translated?.introduction ?? introduction }
    // 번역된 키워드 우선
    var displayKeywords: [String] { translated?.keywords ?? keywordList }
    // 번역된 장르 우선
    var displayGenre: String { translatedGenre ?? genre }
    // ISO8601 UTC를 현재 타임존 기준 yyyy.MM.dd 포맷으로 변환
    var displayPublishedDate: String {
        // publishedDateUtc 예: ISO8601 문자열
        let iso = ISO8601DateFormatter()
        // .withInternetDateTime가 기본이지만, fractional seconds 등 다양한 포맷 대응
        iso.formatOptions = [.withInternetDateTime, .withFractionalSeconds]

        func format(_ date: Date) -> String {
            let formatter = DateFormatter()
            formatter.calendar = Calendar(identifier: .gregorian)
            formatter.timeZone = .current
            formatter.locale = Locale(identifier: Locale.current.identifier)
            formatter.dateFormat = "yyyy.MM.dd"
            return formatter.string(from: date)
        }

        if let date = iso.date(from: publishedDateUtc) {
            return format(date)
        } else {
            // fractional seconds 미포함 대응
            let isoNoFrac = ISO8601DateFormatter()
            isoNoFrac.formatOptions = [.withInternetDateTime]
            if let date = isoNoFrac.date(from: publishedDateUtc) {
                return format(date)
            }
        }

        // 파싱 실패 시 기존 표시값 폴백
        return publishedDate
    }
}