package coinglass

import (
	"context"
	"net/url"
	"strconv"
	"strings"

	"cryptoHermes/internal/entity"
)

const (
	liqHeatMapPath        = "/api/index/v2/liqHeatMap"
	defaultLiqInterval    = "5"
	defaultLiqLimit       = 288
	maxLiqHeatMapLimit    = 1000
	cgBinanceSymbolPrefix = "Binance_"
)

func (c *Client) GetLiqHeatMap(ctx context.Context, symbol, interval string, limit int) (*entity.CGLiqHeatMap, error) {
	symbol = normalizeBinanceMarketSymbol(symbol)
	if interval == "" {
		interval = defaultLiqInterval
	}
	if limit <= 0 {
		limit = defaultLiqLimit
	}
	if limit > maxLiqHeatMapLimit {
		limit = maxLiqHeatMapLimit
	}

	q := url.Values{}
	q.Set("merge", "true")
	q.Set("symbol", coinglassBinanceSymbol(symbol))
	q.Set("interval", interval)
	q.Set("limit", strconv.Itoa(limit))

	plaintext, err := c.GetPlaintext(ctx, liqHeatMapPath, q)
	if err != nil {
		return nil, err
	}
	return MapLiqHeatMap(symbol, interval, c.now().UnixMilli(), plaintext)
}

func coinglassBinanceSymbol(symbol string) string {
	return cgBinanceSymbolPrefix + symbol
}

func normalizeBinanceMarketSymbol(symbol string) string {
	symbol = strings.ToUpper(strings.TrimSpace(symbol))
	return strings.TrimPrefix(symbol, "BINANCE_")
}