//
//  WiredCameraTransferViewModelTests.swift
//  suixinkanTests
//
//  Created by Codex on 2026/6/30.
//

import XCTest
@testable import suixinkan

@MainActor
/// 有线传图 ViewModel 测试。
final class WiredCameraTransferViewModelTests: XCTestCase {
    /// 测试相机管道回调的首张新照片应出现在列表中。
    func testFirstNewPipelineTaskAppearsInPhotos() async throws {
        let camera = MockWiredCameraService()
        let context = WiredTransferContext(
            albumId: 1,
            albumName: "测试相册",
            phone: "",
            orderNumber: ""
        )
        let viewModel = WiredCameraTransferViewModel(context: context, cameraService: camera)
        let account = AccountContext()
        account.applyLogin(profile: AccountProfile(userId: "101", displayName: "测试"))

        await viewModel.start(
            api: MockTravelAlbumAPIForWiredTransfer(),
            ossService: WiredTransferMockOSSUploadService(),
            scenicID: 1,
            accountContext: account
        )

        let tempURL = FileManager.default.temporaryDirectory.appendingPathComponent("DSC_NEW.JPG")
        try Data(repeating: 0xFF, count: 16).write(to: tempURL)
        defer { try? FileManager.default.removeItem(at: tempURL) }

        let asset = CameraAsset(id: "ptp_new_001", filename: "DSC_NEW.JPG", fileSize: 16)
        camera.downloadURL = tempURL
        camera.onNewAsset?(asset)
        try await Task.sleep(nanoseconds: 500_000_000)

        XCTAssertEqual(viewModel.photos.count, 1)
        XCTAssertEqual(viewModel.photos.first?.id, "ptp_new_001")
        XCTAssertEqual(viewModel.photos.first?.fileName, "DSC_NEW.JPG")
    }

    /// 测试绑定到其他相册的照片不会出现在当前相册列表。
    func testPhotoBoundToOtherAlbumIsFilteredOut() async throws {
        let bindingStore = WiredTransferPhotoStore(
            accountPrefixProvider: { "user_101" },
            userIDProvider: { "101" }
        )
        bindingStore.bindPhotoToAlbum(photoID: "ptp_other_album", albumID: 99)
        defer { bindingStore.bindPhotoToAlbum(photoID: "ptp_other_album", albumID: 1) }

        let camera = MockWiredCameraService()
        let context = WiredTransferContext(
            albumId: 1,
            albumName: "当前相册",
            phone: "",
            orderNumber: ""
        )
        let viewModel = WiredCameraTransferViewModel(context: context, cameraService: camera)
        let account = AccountContext()
        account.applyLogin(profile: AccountProfile(userId: "101", displayName: "测试"), accountType: "user")

        await viewModel.start(
            api: MockTravelAlbumAPIForWiredTransfer(),
            ossService: WiredTransferMockOSSUploadService(),
            scenicID: 1,
            accountContext: account
        )

        let tempURL = FileManager.default.temporaryDirectory.appendingPathComponent("DSC_OTHER.JPG")
        try Data(repeating: 0xAA, count: 8).write(to: tempURL)
        defer { try? FileManager.default.removeItem(at: tempURL) }

        camera.downloadURL = tempURL
        camera.onNewAsset?(CameraAsset(id: "ptp_other_album", filename: "DSC_OTHER.JPG", fileSize: 8))
        try await Task.sleep(nanoseconds: 500_000_000)

        XCTAssertTrue(viewModel.photos.isEmpty)
    }
}

@MainActor
private final class MockWiredCameraService: CameraServiceProtocol {
    let brand: CameraBrand = .sony
    var connectionState: CameraConnectionState = .connected(deviceName: "Mock")
    var onConnectionStateChange: ((CameraConnectionState) -> Void)?
    var onNewAsset: ((CameraAsset) -> Void)?
    var downloadURL: URL?

    func connect() async {}
    func disconnect() async {}

    func listAssets() async throws -> [CameraAsset] {
        []
    }

    func downloadAsset(_ asset: CameraAsset) async throws -> URL {
        if let downloadURL {
            return downloadURL
        }
        let url = FileManager.default.temporaryDirectory.appendingPathComponent(asset.filename)
        if !FileManager.default.fileExists(atPath: url.path) {
            try Data(repeating: 0xFF, count: 8).write(to: url)
        }
        return url
    }
}

@MainActor
private final class MockTravelAlbumAPIForWiredTransfer: TravelAlbumServing {
    func availableOrders() async throws -> [TravelAlbumAvailableOrder] { [] }
    func createAlbum(_ request: TravelAlbumCreateRequest) async throws -> TravelAlbumCreateResponse {
        TravelAlbumCreateResponse(id: 1)
    }
    func albumList(page: Int, pageSize: Int) async throws -> ListPayload<TravelAlbumItem> {
        ListPayload(total: 0, list: [])
    }
    func albumInfo(id: Int) async throws -> TravelAlbumItem { throw APIError.emptyData }
    func editAlbum(_ request: TravelAlbumEditRequest) async throws {}
    func deleteAlbum(_ request: TravelAlbumDeleteRequest) async throws {}
    func materialList(userEquityTravelId: Int, page: Int, pageSize: Int) async throws -> ListPayload<TravelAlbumMaterial> {
        ListPayload(total: 0, list: [])
    }
    func uploadMaterial(_ request: TravelAlbumUploadMaterialRequest) async throws -> TravelAlbumMaterial {
        let data = Data(
            #"{"code":100000,"msg":"success","data":{"id":"11","user_equity_travel_id":"8","status":"1","order_number":"","user_id":"100","file_name":"DSC_001.JPG","file_type":"2","file_url":"https://cdn/a.jpg","file_size":"2048","cover_url":"","is_purchased":"0","created_at":"2026","updated_at":"2026"}}"#.utf8
        )
        let envelope = try JSONDecoder().decode(APIEnvelope<TravelAlbumMaterial>.self, from: data)
        return try XCTUnwrap(envelope.data)
    }
    func deleteMaterial(_ request: TravelAlbumDeleteMaterialRequest) async throws {}
    func mpCode(id: Int) async throws -> TravelAlbumMpCodeResponse {
        TravelAlbumMpCodeResponse(mpCodeOssURL: "")
    }
}

@MainActor
private final class WiredTransferMockOSSUploadService: OSSUploadServing {
    func uploadUserAvatar(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadRealNameImage(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadCloudFile(data: Data, fileName: String, fileType: Int, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadAlbumFile(data: Data, fileName: String, fileType: Int, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String {
        onProgress(100)
        return "https://cdn/mock/\(fileName)"
    }
    func uploadTaskFile(data: Data, fileName: String, fileType: Int, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadProjectImage(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadPunchPointImage(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadScenicApplicationImage(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
    func uploadBankCardImage(data: Data, fileName: String, scenicId: Int, onProgress: @escaping (Int) -> Void) async throws -> String { "" }
}