package entities

import (
	"encoding/json"
	"fmt"
)

// APIResponse API响应
type APIResponse struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    *ReportData `json:"data"`
}

// ReportData 报表数据
type ReportData struct {
	Sum        *ReportSum      `json:"sum"`
	Detail     []*ReportDetail `json:"detail"`
	TotalCount int             `json:"total_count"`
}

// ReportSum 汇总数据
type ReportSum struct {
	// 基础信息
	T0OrderPaymentAmt    string `json:"t0_order_payment_amt"`
	CreativeMaterialType string `json:"creative_material_type"`
	LiveName             string `json:"live_name"`
	AuthorID             string `json:"author_id"`
	PicURL               string `json:"pic_url"`
	PicName              string `json:"pic_name"`
	PicID                string `json:"pic_id"`
	CoverURL             string `json:"cover_url"`
	CoverID              int64  `json:"cover_id"`
	PhotoName            string `json:"photo_name"`
	PhotoIDStr           string `json:"photo_id_str"`
	PhotoID              string `json:"photo_id"`
	ModPriceSegment      string `json:"mod_price_segment"`
	AgeSegment           string `json:"age_segment"`
	Province             string `json:"province"`
	Gender               string `json:"gender"`
	MerchantProductID    string `json:"merchant_product_id"`
	ReportDateStr        string `json:"report_date_str"`
	CampaignID           int64  `json:"campaign_id"`
	CampaignName         string `json:"campaign_name"`
	UnitID               int64  `json:"unit_id"`
	UnitName             string `json:"unit_name"`
	CreativeID           int64  `json:"creative_id"`
	CreativeName         string `json:"creative_name"`

	// 核心指标
	Impression int64   `json:"impression"`
	Click      int64   `json:"click"`
	CostTotal  float64 `json:"cost_total"`
	GMV        float64 `json:"gmv"`
	T0GMV      float64 `json:"t0_gmv"`
	ROI        float64 `json:"roi"`
	T0ROI      float64 `json:"t0_roi"`
	T0OrderCnt int64   `json:"t0_order_cnt"`

	// 其他指标（简化版）
	PhotoClick         int64   `json:"photo_click"`
	ActionbarClick     int64   `json:"actionbar_click"`
	AdItemClick        int64   `json:"ad_item_click"`
	Share              int64   `json:"share"`
	Comment            int64   `json:"comment"`
	Likes              int64   `json:"likes"`
	PhotoClickRatio    float64 `json:"photo_click_ratio"`
	Play3sRatio        float64 `json:"play3s_ratio"`
	Play5sRatio        float64 `json:"play5s_ratio"`
	EffectivePlayRatio float64 `json:"effective_play_ratio"`

	// 自定义字段
	T0OrderPaymentAmtFloat float64 `json:"-"`
}

// ReportDetail 明细数据
type ReportDetail struct {
	ReportSum
}

// UnmarshalJSON 自定义JSON解析
func (rs *ReportSum) UnmarshalJSON(data []byte) error {
	temp := make(map[string]interface{})
	if err := json.Unmarshal(data, &temp); err != nil {
		return err
	}

	// 特殊处理t0_order_payment_amt字段
	if val, ok := temp["t0_order_payment_amt"]; ok {
		switch v := val.(type) {
		case string:
			rs.T0OrderPaymentAmt = v
			if v != "" && v != "0" {
				if f, err := stringToFloat64(v); err == nil {
					rs.T0OrderPaymentAmtFloat = f
				}
			}
		case float64:
			rs.T0OrderPaymentAmt = fmt.Sprintf("%.0f", v)
			rs.T0OrderPaymentAmtFloat = v
		case int64:
			rs.T0OrderPaymentAmt = fmt.Sprintf("%d", v)
			rs.T0OrderPaymentAmtFloat = float64(v)
		}
		delete(temp, "t0_order_payment_amt")
	}

	jsonData, _ := json.Marshal(temp)
	type Alias ReportSum
	var alias Alias
	if err := json.Unmarshal(jsonData, &alias); err != nil {
		return err
	}

	*rs = ReportSum(alias)
	return nil
}

// stringToFloat64 字符串转浮点数
func stringToFloat64(s string) (float64, error) {
	var f float64
	_, err := fmt.Sscanf(s, "%f", &f)
	return f, err
}

// MergeData 合并多个响应数据
func MergeData(responses []*APIResponse) *APIResponse {
	if len(responses) == 0 {
		return &APIResponse{
			Code:    0,
			Message: "无数据",
			Data: &ReportData{
				Detail:     []*ReportDetail{},
				TotalCount: 0,
			},
		}
	}

	// 以第一个响应为基础
	merged := &APIResponse{
		Code:    responses[0].Code,
		Message: responses[0].Message,
		Data: &ReportData{
			Sum:        responses[0].Data.Sum, // 汇总数据通常只取第一页的
			Detail:     []*ReportDetail{},
			TotalCount: responses[0].Data.TotalCount,
		},
	}

	// 合并所有明细数据
	for _, resp := range responses {
		if resp != nil && resp.Data != nil && resp.Data.Detail != nil {
			merged.Data.Detail = append(merged.Data.Detail, resp.Data.Detail...)
		}
	}

	return merged
}