import Foundation

enum AppStep: Equatable {
    case splash
    case main
    case userCreatorChatRoom(roomId: Int)
    case contentDetail(contentId: Int)
    case seriesDetail(seriesId: Int)
    case creatorCommunityAll(creatorId: Int)
    case message
    case audition
    case giftDetail(applicationNo: String)
}

enum UserDefaultsKey { case userId }
enum UserDefaults {
    static func int(forKey: UserDefaultsKey) -> Int { 0 }
}

final class AppState {
    static let shared = AppState()
    var rootStep: AppStep = .main
    var pendingDeepLinkAction: AppDeepLinkAction?
    var appliedStep: AppStep?
    var isPushRoomFromDeepLink = false
    var pushRoomId = 0
    func setAppStep(step: AppStep) { appliedStep = step }
    func setPendingCommunityCommentDeepLink(creatorId: Int, postId: Int) {}
    func clearPendingCommunityCommentDeepLink() {}
}

let APPSCHEME = "soda"

@main
enum GiftDetailDeepLinkCheck {
    static var assertions = 0

    static func check(_ condition: @autoclosure () -> Bool, _ message: String) {
        assertions += 1
        guard condition() else { fatalError("FAIL: \(message)") }
    }

    static func settle() {
        RunLoop.current.run(until: Date().addingTimeInterval(0.05))
    }

    static func main() {
        let valid = "voiceon://?DeepLinkValue=gift_detail&DEEPLINKID=GIFT-2026-%30%30%31"
        check(AppDeepLinkHandler.handle(urlString: valid), "valid gift detail accepted")
        settle()
        check(AppState.shared.appliedStep == .giftDetail(applicationNo: "GIFT-2026-001"), "decoded identifier routes to gift detail")

        for url in [
            "voiceon://gift-detail/A-1002609300001",
            "voiceon-test://gift-detail/A-1002609300001"
        ] {
            AppState.shared.appliedStep = nil
            check(AppDeepLinkHandler.handle(urlString: url), "path gift detail accepted for \(url)")
            settle()
            check(AppState.shared.appliedStep == .giftDetail(applicationNo: "A-1002609300001"), "path identifier routes to gift detail")
        }

        AppState.shared.appliedStep = nil
        check(AppDeepLinkHandler.handle(urlString: "voiceon://?deepLinkValue=%20GIFT_DETAIL%20&deepLinkId=%20GIFT-2026-002%20"), "trimmed semantic values accepted")
        settle()
        check(AppState.shared.appliedStep == .giftDetail(applicationNo: "GIFT-2026-002"), "identifier whitespace trimmed")

        for url in [
            "voiceon://?deepLinkValue=GIFT_DETAIL",
            "voiceon://?deepLinkId=GIFT-2026-003",
            "voiceon://?deepLinkValue=GIFT_DETAIL&deepLinkId=%20%20",
            "voiceon://?deepLinkValue=OTHER&deepLinkId=GIFT-2026-004",
            "voiceon://gift-detail/",
            "http://?deepLinkValue=GIFT_DETAIL&deepLinkId=GIFT-2026-005"
        ] {
            check(!AppDeepLinkHandler.handle(urlString: url), "rejects invalid or unsupported \(url)")
        }

        AppState.shared.rootStep = .splash
        AppState.shared.pendingDeepLinkAction = nil
        AppState.shared.appliedStep = nil
        check(AppDeepLinkHandler.handle(urlString: "voiceon://?deepLinkValue=GIFT_DETAIL&deepLinkId=GIFT-2026-006"), "valid splash link accepted")
        settle()
        if case .giftDetail(let applicationNo)? = AppState.shared.pendingDeepLinkAction {
            check(applicationNo == "GIFT-2026-006", "splash stores gift action")
        } else {
            check(false, "splash stores gift action")
        }
        check(AppState.shared.appliedStep == nil, "splash does not apply gift action")

        AppState.shared.pendingDeepLinkAction = nil
        check(AppDeepLinkHandler.handle(urlString: "voiceon-test://gift-detail/A-1002609300001"), "splash accepts path gift detail")
        settle()
        if case .giftDetail(let applicationNo)? = AppState.shared.pendingDeepLinkAction {
            check(applicationNo == "A-1002609300001", "splash stores path gift action")
        } else {
            check(false, "splash stores path gift action")
        }
        check(AppState.shared.appliedStep == nil, "splash does not apply path gift action")

        AppState.shared.rootStep = .main
        AppState.shared.appliedStep = nil
        AppState.shared.pendingDeepLinkAction = nil
        check(AppDeepLinkHandler.handle(urlString: "voiceon://?content_id=42&deepLinkValue=GIFT_DETAIL&deepLinkId=GIFT-2026-007"), "existing content route accepted")
        settle()
        check(AppState.shared.appliedStep == .contentDetail(contentId: 42), "existing content route still applies")
        print("PASS AppDeepLinkGiftDetailCheck assertions=\(assertions)")
    }
}