package cfile

import (
	"context"
	"encoding/csv"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"os"
	"path"
)

var (
	headers = []string{
		"bid",
		"area",
		"city",
		"projectId",
		"title",
		"topType",
		"detail",
		"publishTime",
		"href",
		"jyHref",
		"projectName",
		"projectCode",
		"projectScope",
		"budget",
		"bidAmount",
		"buyer",
		"buyerCreditNo",
		"buyerPerson",
		"buyerTel",
		"agency",
		"agencyPerson",
		"agencyTel",
		"bidOpenTime",
		"bidEndTime",
		"topScopeClass",
		"winner",
		"winnerPerson",
		"winnerTel",
		"winnersCreditNo",
		"winnersEntPerson",
		"winnersEntTel",
		"winnersEntMail",
	}
	mapping = map[string]string{
		"topScopeClass": "s_topscopeclass",
		"winner":        "s_winner",
		"winnerTel":     "winnertel",
		"winnerPerson":  "winnerperson",
		"bidEndTime":    "bidendtime",
		"bidOpenTime":   "bidopentime",
		"agencyTel":     "agencytel",
		"agencyPerson":  "agencyperson",
		"buyerTel":      "buyertel",
		"buyerPerson":   "buyerperson",
		"bidAmount":     "bidamount",
		"publishTime":   "publishtime",
		"topType":       "toptype",
	}
)

func CreateFile(ctx context.Context, data []g.Map, out string) error {
	dir := path.Dir(out)
	if err := os.Mkdir(dir, 0755); err != nil {
		if !os.IsExist(err) {
			return err
		}
	}

	//生成文件
	file, err := os.Create(out)
	if err != nil {
		g.Log().Error(ctx, err)
		return err
	}
	defer file.Close()

	// 创建CSV写入器
	writer := csv.NewWriter(file)
	defer writer.Flush()
	// 写入标题行
	if err := writer.Write(headers); err != nil {
		g.Log().Errorf(ctx, "Failed to write headers: %v", err)
	}
	// 写入数据行
	c := splitData(data)
	for _, record := range c {
		if err := writer.Write(record); err != nil {
			g.Log().Errorf(ctx, "Failed to write record: %v", err)
		}
	}
	return nil
}

func splitData(arr []g.Map) (r [][]string) {
	for _, m := range arr {
		var t []string
		for _, filed := range headers {
			c, ok := mapping[filed]
			if ok && c != "" {
				filed = c
			}
			t = append(t, gconv.String(m[filed]))
		}
		r = append(r, t)
	}
	return r
}