package fliggy

import (
	"context"
	"errors"
	"fmt"
	"net/url"
	"repository.lenntc.com/lenntc/third-platform-sdk/sdk/fliggysdk/defaultability/domain"
	"repository.lenntc.com/lenntc/third-platform-sdk/sdk/fliggysdk/defaultability/request"
	"strings"

	"github.com/zeromicro/go-zero/core/logx"
)

// FliggyApi 飞猪平台
// Api defines the interface of fliggy api
type FliggyApi interface {
	// GenerateH5Url 生成H5链接
	GenerateH5Url(ctx context.Context, req GenerateH5UrlRequest) (string, error)
	// GenerateWechatUrl 生成微信小程序链接
	GenerateWechatUrl(ctx context.Context, req GenerateWechatUrlRequest) (string, error)
	// FliggyPromoteOrdersList 飞猪分销订单列表
	FliggyPromoteOrdersList(req *request.AlibabaFliggyPromoteOrdersListRequest) ([]*domain.AlibabaFliggyPromoteOrdersListOrder, error)
}

type fliggyApiImpl struct {
	log    logx.Logger
	client *Client
}

func newFliggyApiImpl(log logx.Logger, client *Client) FliggyApi {
	return &fliggyApiImpl{
		log:    log,
		client: client,
	}
}

// GenerateH5Url 生成H5推广链接
// 飞猪官方不支持H5取链，生成的H5url为小程序中间页URL
func (a *fliggyApiImpl) GenerateH5Url(ctx context.Context, req GenerateH5UrlRequest) (string, error) {
	var activityUrl string
	if len(req.ActivityUrl) == 0 {
		return "", errors.New("url参数不能为空")
	}
	urls := strings.Split(req.ActivityUrl, "?")
	if len(urls) == 1 {
		activityUrl = fmt.Sprintf("%s?linkCode=%s&actId=%s", req.ActivityUrl, req.LinkCode, req.ActId)
		return activityUrl, nil
	} else if len(urls) == 2 {
		activityUrl = fmt.Sprintf("%s&linkCode=%s&actId=%s", req.ActivityUrl, req.LinkCode, req.ActId)
		return activityUrl, nil
	} else {
		return "", errors.New("url参数有误")
	}
}

// GenerateWechatUrl 生成微信小程序推广链接
func (a *fliggyApiImpl) GenerateWechatUrl(ctx context.Context, req GenerateWechatUrlRequest) (string, error) {
	// 分两种类型的URL
	// 1. 小程序路径为 pages/home/index 只处理fpsid的值即可
	// 2. 小程序路径为 pages/main/webview 需要将小程序后面的参数url urldecode后 将fpsid填充 再次urlencode后拼接回 小程序路径后面?url=
	urls := strings.Split(req.ActivityUrl, "?")
	if len(urls) < 2 {
		return "", errors.New("活动链接错误")
	}
	newUrl := ""
	switch urls[0] {
	case "pages/home/index":
		newUrl = strings.ReplaceAll(req.ActivityUrl, "fpsid=", fmt.Sprintf("fpsid=%s", req.FpSid))
	case "pages/main/webview":
		parsedURL, err := url.Parse(req.ActivityUrl)
		if err != nil {
			return "", fmt.Errorf("error parsing url:%s", err.Error())
		}
		urlValue := parsedURL.Query().Get("url")
		newUrlValue := strings.ReplaceAll(urlValue, "fpsid=", fmt.Sprintf("fpsid=%s", req.FpSid))
		newUrl = fmt.Sprintf("pages/main/webview?url=%s", url.QueryEscape(newUrlValue))
	}
	return newUrl, nil
}

// FliggyPromoteOrdersList 飞猪分销订单列表
func (a *fliggyApiImpl) FliggyPromoteOrdersList(req *request.AlibabaFliggyPromoteOrdersListRequest) ([]*domain.AlibabaFliggyPromoteOrdersListOrder, error) {
	resp, err := a.client.abilityClient.AlibabaFliggyPromoteOrdersList(req)
	if err != nil {
		a.log.WithFields(logx.LogField{Key: "data", Value: map[string]any{"req": req, "resp": resp}}).Errorf("[fliggyApiImpl][FliggyPromoteOrdersList] get promote orders failed, error: %v", err)
		return nil, err
	}
	if resp == nil {
		return nil, fmt.Errorf("[fliggyApiImpl][FliggyPromoteOrdersList] get promote order list is empty")
	}
	var result []*domain.AlibabaFliggyPromoteOrdersListOrder
	if resp.Model.List != nil {
		for _, item := range *resp.Model.List {
			entity := item
			result = append(result, &entity)
		}
	}
	return result, nil
}