//
//  TravelAlbumViewModelTests.swift
//  suixinkanTests
//
//  Created by Codex on 2026/6/29.
//

import XCTest
@testable import suixinkan

@MainActor
/// 旅拍相册 ViewModel 测试。
final class TravelAlbumViewModelTests: XCTestCase {
    /// 测试先拍再买模式缺少单价时创建失败。
    func testCreatePreShootRequiresSinglePrice() async {
        let viewModel = TravelAlbumEntryViewModel()
        let api = MockTravelAlbumAPI()

        let success = await viewModel.confirmCreateTask(
            api: api,
            mode: TravelAlbumEntryViewModel.modePreShoot,
            freeCount: "3",
            singlePrice: "",
            packagePrice: "99",
            order: nil,
            scenicSelected: true
        )

        XCTAssertFalse(success)
        XCTAssertEqual(viewModel.errorMessage, "请输入单张照片价格")
        XCTAssertEqual(api.createCallCount, 0)
    }

    /// 测试买了再拍模式缺少订单时创建失败。
    func testCreatePreOrderRequiresOrder() async {
        let viewModel = TravelAlbumEntryViewModel()
        let api = MockTravelAlbumAPI()

        let success = await viewModel.confirmCreateTask(
            api: api,
            mode: TravelAlbumEntryViewModel.modePreOrder,
            freeCount: "",
            singlePrice: "",
            packagePrice: "",
            order: nil,
            scenicSelected: true
        )

        XCTAssertFalse(success)
        XCTAssertEqual(viewModel.errorMessage, "请选择绑定订单")
    }

    /// 测试创建成功后刷新列表。
    func testCreateSuccessReloadsList() async {
        let viewModel = TravelAlbumEntryViewModel()
        let api = MockTravelAlbumAPI()

        let success = await viewModel.confirmCreateTask(
            api: api,
            mode: TravelAlbumEntryViewModel.modePreShoot,
            freeCount: "3",
            singlePrice: "9.9",
            packagePrice: "99",
            order: nil,
            scenicSelected: true
        )

        XCTAssertTrue(success)
        XCTAssertEqual(api.createCallCount, 1)
        XCTAssertEqual(api.listCallCount, 1)
    }

    /// 测试相册名称按日期递增。
    func testBuildTodayAlbumNameIncrementsSuffix() {
        let formatter = DateFormatter()
        formatter.dateFormat = "yyyy-MM-dd"
        let today = formatter.string(from: Date())

        let name = TravelAlbumEntryViewModel.buildTodayAlbumName(
            existingNames: ["\(today)-001", "\(today)-002", "2026-06-28-001"]
        )
        XCTAssertTrue(name.hasSuffix("003"))
    }
}

@MainActor
private final class MockTravelAlbumAPI: TravelAlbumServing {
    var createCallCount = 0
    var listCallCount = 0

    func availableOrders() async throws -> [TravelAlbumAvailableOrder] { [] }

    func createAlbum(_ request: TravelAlbumCreateRequest) async throws -> TravelAlbumCreateResponse {
        createCallCount += 1
        return TravelAlbumCreateResponse(id: 9)
    }

    func albumList(page: Int, pageSize: Int) async throws -> ListPayload<TravelAlbumItem> {
        listCallCount += 1
        return 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 {
        throw APIError.emptyData
    }

    func deleteMaterial(_ request: TravelAlbumDeleteMaterialRequest) async throws {}

    func mpCode(id: Int) async throws -> TravelAlbumMpCodeResponse {
        TravelAlbumMpCodeResponse(mpCodeOssURL: "")
    }
}