//
//  APIProvider.swift
//  HealthyZG
//
//  Created by 林 on 2020/5/18.
//  Copyright © 2020 Lin. All rights reserved.
//

import Foundation
import Moya
import RxSwift

// swiftlint:disable:next identifier_name
public let GatewayStatusCodeKey = "GatewayStatusCodeKey"

typealias Parameters = [String: Any]

private func JSONResponseDataFormatter(_ data: Data) -> String {
    do {
        let dataAsJSON = try JSONSerialization.jsonObject(with: data)
        let prettyData = try JSONSerialization.data(withJSONObject: dataAsJSON, options: .prettyPrinted)
        return String(data: prettyData, encoding: .utf8) ?? String(data: data, encoding: .utf8) ?? ""
    } catch {
        return String(data: data, encoding: .utf8) ?? ""
    }
}

private func reversedPrint(_ separator: String, terminator: String, items: Any...) {
    for item in items {
        if let msg = item as? String {
            LogInfo(msg)
        }
    }
}

// MARK: - Provider setup
let requestClosure = { (endpoint: Endpoint, done: MoyaProvider.RequestResultClosure) in
    do {
        var request = try endpoint.urlRequest()
        // Modify the request however you like.
        request.timeoutInterval = 60 //设置请求超时时间
        done(.success(request))
    } catch {
        done(.failure(MoyaError.underlying(error, nil)))
    }
}

/// 通用 Logger，仅 playback 跳过 Response Body
private final class FilteredLogger: PluginType {
    private let logger = NetworkLoggerPlugin(configuration: .init(
        formatter: .init(responseData: JSONResponseDataFormatter),
        logOptions: .verbose
    ))
    func willSend(_ request: RequestType, target: TargetType) {
        logger.willSend(request, target: target)
    }
    func didReceive(_ result: Result<Response, MoyaError>, target: TargetType) {
        if let mt = target as? MultiTarget,
           case let .target(underlying) = mt,
           let api = underlying as? MultiTargetProtocol,
           api.suppressResponseLog,
           case .success(let response) = result {
            print("[suppress] \(api.path) status: \(response.statusCode)")
            return
        }
        logger.didReceive(result, target: target)
    }
}

public let APIProvider = MoyaProvider<MultiTarget>(requestClosure: requestClosure,
                                            plugins: [
                                                SignPlugin(),
                                                FilteredLogger(),
                                                NetworkActivityPlugin(networkActivityClosure: { change, _ in
                                                    #if !SHARE_EXTENSION
                                                    DispatchQueue.main.async {
                                                        switch change {
                                                        case .began:
                                                            UIApplication.shared.isNetworkActivityIndicatorVisible = true
                                                        case .ended:
                                                            UIApplication.shared.isNetworkActivityIndicatorVisible = false
                                                        }
                                                    }
                                                    #endif
                                                })
                                            ]).rx

public extension Error {
    var underlyingError: NSError? {
        guard let moyaError = self as? MoyaError else { return nil }
        guard case let .underlying(error, _) = moyaError else { return nil }
        return error as NSError
    }
    
    var gatewayStatusCode: Int {
        let error = underlyingError ?? self as NSError
        return error.code
    }
    
    var gatewayMessage: String? {
        let error = underlyingError ?? self as NSError
        return error.userInfo[NSLocalizedDescriptionKey] as? String
    }
    
    var responseData: Response? {
        guard let moyaError = self as? MoyaError else { return nil }
        guard case let .underlying(_, response) = moyaError else { return nil }
        return response
    }
    
    var isShowErrorTips: Bool {
        let error = underlyingError ?? self as NSError
        return error.userInfo["isShowTip"] as? Bool ?? true
    }
}

public extension MoyaError {
    var innerError: NSError? {
        switch self {
        case let .encodableMapping(error):
            return error as NSError
        case let .objectMapping(error, _):
            return error as NSError
        case let .underlying(error, _):
            return error as NSError
        case let .parameterEncoding(error):
            return error as NSError
        default:
            return nil
        }
    }
}

// 网关状态码
enum GatewayStatusCode: Int {
    // 请求成功
    case success = 0
    // 
    case failure = -1
    // 版本过低
    case outdateVersion = 3
    /** ============== 风控 ============== */
    case riskControl = 701
    /** ============== 用户权限相关 200~300 ============== */
    // 登录失效
    case userLoginExpair = 1001003
    // 权限不足
    case noAuthority = 500
    // 审核中
    case review = 201
    /** ============== 业务 ============== */
    // 您创建的圈子个数已达上限，请升级会员等级
    case groupLimit = 20009
    
    /** ============== 未知错误 ============== */
    case unknownError = -9999
}