package broadcast

import (
	"context"
	"encoding/json"
	"fmt"
	"log/slog"
	"time"

	tb "github.com/go-telegram-bot-api/telegram-bot-api/v5"
	"github.com/maximotejeda/us_dop_bot/db"
	message "github.com/maximotejeda/us_dop_bot/edb"
	"github.com/maximotejeda/us_dop_bot/helpers"
)

func SendList(ctx context.Context, userDB *db.DB, log *slog.Logger, data []byte) []tb.MessageConfig {
	user := db.NewUser(userDB, log)
	// convert data to map
	m := message.Message{}
	listMsg := []tb.MessageConfig{}
	err := json.Unmarshal(data, &m)
	if err != nil {
		log.Error("unmarshaling data", "error", err)
	}
	if m.Message == "change registered" {

		userList, err := user.GetAll(m.Data.After.Name)
		if err != nil {
			log.Error("querying DB data", "error", err)
			return nil
		}
		cancelBTN := map[string]string{}
		cancelBTN["Eliminar ❌"] = "cancelar=true"
		keyboard := helpers.CreateKeyboard(cancelBTN)
		log.Info("printing change", "user list", userList, "name", m.Data.After.Name)
		compraCHG := comparer(m.Data.Before.Compra, m.Data.After.Compra)
		ventaCHG := comparer(m.Data.Before.Venta, m.Data.After.Venta)
		text := fmt.Sprintf("Cambio Registrado:\n\nInstitucion:  %s\n\t  Compra: %.2f %s %.2f\n\t  Venta: %.2f %s %.2f\n\n\t  %s", m.Data.After.Name, m.Data.Before.Compra, compraCHG, m.Data.After.Compra, m.Data.Before.Venta, ventaCHG, m.Data.After.Venta, m.Data.After.Parsed.Format(time.DateTime))

		for _, user := range userList {
			if user.TguID != 0 {
				msg := tb.NewMessage(int64(user.TguID), text)
				msg.ReplyMarkup = keyboard
				listMsg = append(listMsg, msg)
			} else {
				continue
			}
		}
	}
	return listMsg
}

func comparer(before, after float64) string {
	if before > after {
		return "⬇️"
	} else if before < after {
		return "⬆️"
	} else {
		return "🟰"
	}

}