import Foundation

/// 线下收款接口抽象，供生产 API 与测试替身共用。
@MainActor
protocol OfflineCollectionServing: AnyObject {
    func statistics(scenicId: Int) async throws -> OfflineCollectionStatisticsResponse
    func details(scenicId: Int, date: String) async throws -> OfflineCollectionDetailsResponse
    func register(_ request: OfflineCollectionRegisterRequest) async throws -> OfflineCollectionRegisterResponse
    func supplement(_ request: OfflineSettlementRequest) async throws -> OfflineSettlementResult
}

/// 线下收款真实网络 API。
@MainActor
final class OfflineCollectionAPI: OfflineCollectionServing {
    private let client: APIClient
    private let prefix = "/api/yf-handset-app/photog/offline-pay-collect"

    init(client: APIClient) {
        self.client = client
    }

    func statistics(scenicId: Int) async throws -> OfflineCollectionStatisticsResponse {
        try await client.send(APIRequest(
            method: .get,
            path: "\(prefix)/statistics",
            queryItems: [URLQueryItem(name: "scenic_id", value: String(scenicId))]
        ))
    }

    func details(scenicId: Int, date: String) async throws -> OfflineCollectionDetailsResponse {
        try await client.send(APIRequest(
            method: .get,
            path: "\(prefix)/details",
            queryItems: [
                URLQueryItem(name: "scenic_id", value: String(scenicId)),
                URLQueryItem(name: "date", value: date),
            ]
        ))
    }

    func register(_ request: OfflineCollectionRegisterRequest) async throws -> OfflineCollectionRegisterResponse {
        try await client.send(APIRequest(method: .post, path: "\(prefix)/register", body: request))
    }

    func supplement(_ request: OfflineSettlementRequest) async throws -> OfflineSettlementResult {
        try await client.send(APIRequest(method: .post, path: "\(prefix)/supplement", body: request))
    }
}