using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Flurl;
using Flurl.Http;

namespace SKIT.FlurlHttpClient.Wechat.TenpayV3
{
    /// <summary>
    /// 为 <see cref="WechatTenpayClient"/> 提供基础支付（服务商、电商收付通）相关的 API 扩展方法。
    /// </summary>
    public static class WechatTenpayClientExecutePayPartnerTransactionsExtensions
    {
        /// <summary>
        /// <para>异步调用 [POST] /pay/partner/transactions/app 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_2_1.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_1.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.CreatePayPartnerTransactionAppResponse> ExecuteCreatePayPartnerTransactionAppAsync(this WechatTenpayClient client, Models.CreatePayPartnerTransactionAppRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Post, "pay", "partner", "transactions", "app")
                .SetOptions(request);

            return await client.SendRequestWithJsonAsync<Models.CreatePayPartnerTransactionAppResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [POST] /pay/partner/transactions/jsapi 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_1.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_5_1.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_3.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.CreatePayPartnerTransactionJsapiResponse> ExecuteCreatePayPartnerTransactionJsapiAsync(this WechatTenpayClient client, Models.CreatePayPartnerTransactionJsapiRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Post, "pay", "partner", "transactions", "jsapi")
                .SetOptions(request);

            return await client.SendRequestWithJsonAsync<Models.CreatePayPartnerTransactionJsapiResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [POST] /pay/partner/transactions/h5 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_3_1.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_4.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.CreatePayPartnerTransactionH5Response> ExecuteCreatePayPartnerTransactionH5Async(this WechatTenpayClient client, Models.CreatePayPartnerTransactionH5Request request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Post, "pay", "partner", "transactions", "h5")
                .SetOptions(request);

            return await client.SendRequestWithJsonAsync<Models.CreatePayPartnerTransactionH5Response>(flurlReq, data: request, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [POST] /pay/partner/transactions/native 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_4_1.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.CreatePayPartnerTransactionNativeResponse> ExecuteCreatePayPartnerTransactionNativeAsync(this WechatTenpayClient client, Models.CreatePayPartnerTransactionNativeRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Post, "pay", "partner", "transactions", "native")
                .SetOptions(request);

            return await client.SendRequestWithJsonAsync<Models.CreatePayPartnerTransactionNativeResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [GET] /pay/partner/transactions/out-trade-no/{out_trade_no} 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_2_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_3_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_4_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_5_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_5.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.GetPayPartnerTransactionByOutTradeNumberResponse> ExecuteGetPayPartnerTransactionByOutTradeNumberAsync(this WechatTenpayClient client, Models.GetPayPartnerTransactionByOutTradeNumberRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Get, "pay", "partner", "transactions", "out-trade-no", request.OutTradeNumber)
                .SetOptions(request)
                .SetQueryParam("sp_mchid", request.MerchantId)
                .SetQueryParam("sub_mchid", request.SubMerchantId);

            return await client.SendRequestAsync<Models.GetPayPartnerTransactionByOutTradeNumberResponse>(flurlReq, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [GET] /pay/partner/transactions/id/{transaction_id} 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_2_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_3_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_4_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_5_2.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_5.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.GetPayPartnerTransactionByIdResponse> ExecuteGetPayPartnerTransactionByIdAsync(this WechatTenpayClient client, Models.GetPayPartnerTransactionByIdRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Get, "pay", "partner", "transactions", "id", request.TransactionId)
                .SetOptions(request)
                .SetQueryParam("sp_mchid", request.MerchantId)
                .SetQueryParam("sub_mchid", request.SubMerchantId);

            return await client.SendRequestAsync<Models.GetPayPartnerTransactionByIdResponse>(flurlReq, cancellationToken: cancellationToken);
        }

        /// <summary>
        /// <para>异步调用 [POST] /pay/partner/transactions/out-trade-no/{out_trade_no}/close 接口。</para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_1_3.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_2_3.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_3_3.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_4_3.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter4_5_3.shtml </para>
        /// <para>REF: https://pay.weixin.qq.com/wiki/doc/apiv3_partner/apis/chapter7_2_6.shtml </para>
        /// </summary>
        /// <param name="client"></param>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public static async Task<Models.ClosePayPartnerTransactionResponse> ExecuteClosePayPartnerTransactionAsync(this WechatTenpayClient client, Models.ClosePayPartnerTransactionRequest request, CancellationToken cancellationToken = default)
        {
            if (client is null) throw new ArgumentNullException(nameof(client));
            if (request is null) throw new ArgumentNullException(nameof(request));

            if (string.IsNullOrEmpty(request.MerchantId))
                request.MerchantId = client.WechatMerchantId;

            IFlurlRequest flurlReq = client
                .CreateRequest(HttpMethod.Post, "pay", "partner", "transactions", "out-trade-no", request.OutTradeNumber, "close")
                .SetOptions(request);

            return await client.SendRequestWithJsonAsync<Models.ClosePayPartnerTransactionResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
        }
    }
}