package api

import (
	"errors"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"
	"level_go/internal/model"
)

// GetSecondBoardProfitSummary 返回 2020 年至今二板早盘股票的 T+1 最大获利汇总。
func (h *LimitBoardHandler) GetSecondBoardProfitSummary(c *gin.Context) {
	req, err := parseSecondBoardProfitRequest(c, false)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	resp, err := h.Service.GetSecondBoardProfitSummary(req)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, resp)
}

// GetSecondBoardProfitDetail 返回单只股票二板早盘后的 T+1 最大获利详情。
func (h *LimitBoardHandler) GetSecondBoardProfitDetail(c *gin.Context) {
	req, err := parseSecondBoardProfitRequest(c, true)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	resp, err := h.Service.GetSecondBoardProfitDetail(req)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, resp)
}

// parseSecondBoardProfitRequest 解析二板早盘获利综合和详情接口参数。
func parseSecondBoardProfitRequest(c *gin.Context, requireCode bool) (model.SecondBoardProfitRequest, error) {
	req := model.SecondBoardProfitRequest{
		TradeStartDate: firstNonEmptyQuery(c, "tradeStartDate", "trade_start_date", "start_date"),
		TradeEndDate:   firstNonEmptyQuery(c, "tradeEndDate", "trade_end_date", "end_date"),
		TsCode:         firstNonEmptyQuery(c, "tsCode", "ts_code"),
		Symbol:         firstNonEmptyQuery(c, "symbol", "code"),
	}
	if req.TradeStartDate == "" {
		req.TradeStartDate = defaultSecondProfitStartDate
	}
	if req.TradeEndDate == "" {
		req.TradeEndDate = time.Now().Format("2006-01-02")
	}
	if err := validateSecondProfitDateRange(req.TradeStartDate, req.TradeEndDate); err != nil {
		return req, err
	}
	if requireCode && req.TsCode == "" && req.Symbol == "" {
		return req, errors.New("tsCode 或 symbol 参数不能为空")
	}
	return req, nil
}