//
//  BindAcquirerViewModelTests.swift
//  suixinkanTests
//

import XCTest
@testable import suixinkan

@MainActor
final class BindAcquirerViewModelTests: XCTestCase {

    func testAcceptBindValidationRequiresRate() async {
        let viewModel = BindAcquirerViewModel()
        viewModel.initSaleUserId(1)
        var message: String?
        viewModel.onShowMessage = { message = $0 }

        await viewModel.acceptBind(api: makeAPI(responses: []))

        XCTAssertEqual(message, "请输入分账比例")
    }

    func testAcceptBindValidationRejectsOutOfRange() async {
        let viewModel = BindAcquirerViewModel()
        viewModel.initSaleUserId(1)
        viewModel.updateCommissionRateDraft("120")
        var message: String?
        viewModel.onShowMessage = { message = $0 }

        await viewModel.acceptBind(api: makeAPI(responses: []))

        XCTAssertEqual(message, "分账比例需在0到100之间")
    }

    func testLoadInviteInfoMarksAlreadyBound() async throws {
        let json = """
        {"code":100000,"msg":"success","data":{"sale_user_id":7,"is_bound":true,"saler_name":"张三","saler_phone":"13800138000","title":"接受邀请"}}
        """.data(using: .utf8)!
        let api = makeAPI(responses: [json])
        let viewModel = BindAcquirerViewModel()
        viewModel.initSaleUserId(7)

        await viewModel.loadInviteInfo(api: api)

        XCTAssertTrue(viewModel.isAlreadyBound)
        XCTAssertEqual(viewModel.inviteInfo?.salerName, "张三")
    }

    func testAcceptBindSuccessCallsCallback() async throws {
        let inviteJSON = """
        {"code":100000,"msg":"success","data":{"sale_user_id":2,"saler_name":"李四"}}
        """.data(using: .utf8)!
        let bindJSON = """
        {"code":100000,"msg":"success","data":{}}
        """.data(using: .utf8)!
        let api = makeAPI(responses: [inviteJSON, bindJSON])
        let viewModel = BindAcquirerViewModel()
        viewModel.initSaleUserId(2)
        viewModel.updateCommissionRateDraft("30")
        var didBind = false
        viewModel.onBindSuccess = { didBind = true }

        await viewModel.loadInviteInfo(api: api)
        await viewModel.acceptBind(api: api)

        XCTAssertTrue(didBind)
    }

    func testLoadInviteInfoAlreadyBoundMessage() async throws {
        let json = try TestJSON.errorEnvelope(code: 100001, msg: "已绑定获客员")
        let api = makeAPI(responses: [json])
        let viewModel = BindAcquirerViewModel()
        viewModel.initSaleUserId(9)
        var shouldPop = false
        viewModel.onShouldPop = { shouldPop = true }

        await viewModel.loadInviteInfo(api: api)

        XCTAssertTrue(viewModel.isAlreadyBound)
        XCTAssertFalse(shouldPop)
    }

    private func makeAPI(responses: [Data]) -> OrderAPI {
        OrderAPI(client: APIClient(environment: .testing, session: MockURLSession(responses: responses)))
    }
}