package proto

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"net/url"
)

var appId = "2D64E3B7A9884A8C5E2BFF437763E76A"
var StockApiHost = "http://kindics.com:7040"
var appSecret = "5105D41CE0527A9AF6A307341B3ADA10"

func StockDetail(market string, stockType uint64, stockSymbol string) (map[string]any, error) {
	instrument := fmt.Sprintf("%s|%d|%s", market, stockType, stockSymbol)

	data := url.Values{
		"appId":      {appId},
		"appSecret":  {appSecret},
		"action":     {"/V2/Quotation/Detail"},
		"instrument": {instrument},
		"lang":       {"zh-CN"},
	}

	resp, err := http.PostForm(StockApiHost, data)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}

	var result map[string]interface{}
	err = json.Unmarshal(body, &result)
	if err != nil {
		return nil, err
	}

	if result["code"].(float64) == 1 {
		response := result["data"].(map[string]interface{})

		lastTradeDate := "1991-01-01"
		if date, ok := response["lastTradeDate"].(string); ok && date != "" {
			lastTradeDate = date[:4] + "-" + date[4:6] + "-" + date[6:]
		}

		maturityDate := "1991-01-01"
		if date, ok := response["maturityDate"].(string); ok && date != "" {
			maturityDate = date[:4] + "-" + date[4:6] + "-" + date[6:]
		}

		inlineFlag := 2
		if flag, ok := response["inlineFlag"].(float64); ok {
			inlineFlag = int(flag)
		}

		return map[string]interface{}{
			"symbol":         response["symbol"],
			"name":           response["name"],
			"msgs":           response["lotSize"],
			"price":          response["latestPrice"],
			"securityStatus": response["securityStatus"],
			"exercisePrice":  getFloat(response, "exercisePrice"),
			"makePeace":      getFloat(response, "makePeace"),
			"exchangeRatio":  getFloat(response, "exchangeRatio"),
			"exchangePrice":  getFloat(response, "exchangePrice"),
			"callPrice":      getFloat(response, "callPrice"),
			"lastTradeDate":  lastTradeDate,
			"maturityDate":   maturityDate,
			"callOrPut":      getString(response, "callOrPut"),
			"inlineFlag":     inlineFlag,
		}, nil
	}

	return nil, nil
}

func getFloat(m map[string]interface{}, key string) float64 {
	if val, ok := m[key].(float64); ok {
		return val
	}
	return 0
}

func getString(m map[string]interface{}, key string) string {
	if val, ok := m[key].(string); ok {
		return val
	}
	return ""
}