//
//  Moya+Rx.swift
//  SwiftBilibili
//
//  Created by 罗文 on 2021/1/13.
//  Copyright © 2021年 罗文. All rights reserved.
//

import Moya
import RxSwift
import SwiftyJSON
import ObjectMapper


extension PrimitiveSequence where Trait == SingleTrait, Element == Moya.Response {
    
    func map<T: ImmutableMappable>(_ type: T.Type) -> PrimitiveSequence<Trait, T> {
        return self
            .map { (response) -> T in
                let json = try JSON(data: response.data)
                guard let code = json[RESULT_CODE].int else { throw RequestError.noCodeKey }
                if code != StatusCode.success.rawValue { throw RequestError.sysError(statusCode:"\(code)" , errorMsg: json[RESULT_MESSAGE].string) }
                if(T.self == TraineeDataModel.self){
                    if let data = json.dictionaryObject {
                        return try Mapper<T>().map(JSON: data)
                    }
                }
                if let data = json[RESULT_DATA].dictionaryObject {
                    return try Mapper<T>().map(JSON: data)
                } else if let data = json[RESULT_RESULT].dictionaryObject {
                    return try Mapper<T>().map(JSON: data)
                }
                
                throw RequestError.noDataKey
            }.do(onSuccess: { _ in
                
            }, onError: { error in
                if error is MapError {
                    log.error(error)
                }
            })
    }
    
    func map<T: ImmutableMappable>(_ type: T.Type,isModel:Bool) -> PrimitiveSequence<Trait, T> {
        return self
            .map { (response) -> T in
                if(isModel){
                    let json = try JSON(data: response.data)
                    guard let code = json[RESULT_CODE].int else { throw RequestError.noCodeKey }
                    if code != StatusCode.success.rawValue { throw RequestError.sysError(statusCode:"\(code)" , errorMsg: json[RESULT_MESSAGE].string) }
                    if let data = json.dictionaryObject {
                        return try Mapper<T>().map(JSON: data)
                    }
                }else {
                    let json = try JSON(data: response.data)
                    guard let code = json[RESULT_CODE].int else { throw RequestError.noCodeKey }
                    if code != StatusCode.success.rawValue { throw RequestError.sysError(statusCode:"\(code)" , errorMsg: json[RESULT_MESSAGE].string) }
                    if(T.self == TraineeDataModel.self){
                        if let data = json.dictionaryObject {
                            return try Mapper<T>().map(JSON: data)
                        }
                    }
                    if let data = json[RESULT_DATA].dictionaryObject {
                        return try Mapper<T>().map(JSON: data)
                    } else if let data = json[RESULT_RESULT].dictionaryObject {
                        return try Mapper<T>().map(JSON: data)
                    }
                }
                throw RequestError.noDataKey
            }.do(onSuccess: { _ in
                
            }, onError: { error in
                if error is MapError {
                    log.error(error)
                }
            })
    }
    
    func map<T: ImmutableMappable>(_ type: T.Type) -> PrimitiveSequence<Trait, [T]> {
        return self
            .map { response -> [T] in
                let json = try JSON(data: response.data)
                guard let code = json[RESULT_CODE].int else { throw RequestError.noCodeKey }
                if code != StatusCode.success.rawValue { throw RequestError.sysError(statusCode:"\(code)" , errorMsg: json[RESULT_MESSAGE].string) }
                var jsonArray: [Any] = []
                if let array = json[RESULT_DATA].arrayObject {
                    jsonArray = array
                } else if let array = json[RESULT_RESULT].arrayObject {
                    jsonArray = array
                } else {
                    throw RequestError.noDataKey
                }
                guard let data = try? JSONSerialization.data(withJSONObject: jsonArray, options: JSONSerialization.WritingOptions.prettyPrinted),
                      let jsonString = String(data: data, encoding: String.Encoding.utf8)
                else { throw RequestError.wrongData }
                
                return try Mapper<T>().mapArray(JSONString: jsonString)
                
            }.do(onSuccess: { _ in
                
            }, onError: { error in
                if error is MapError {
                    log.error(error)
                }
            })
    }
}