#!/bin/bash

# === CONFIGURACIÓN: Tus credenciales ===
API_KEY="bg_28730a088b4b71c307ed5773b84d8267"
API_SECRET="f7e4872f828c99612df009c3641421fc41d9dfb9cfc56dce3311fdaae70f5b29"
PASSPHRASE="cQTVzepB6KuFWgWLgCpB6kW84iiqJr3u"

# === ENDPOINT ===
METHOD="GET"
BASE_URL="https://api.bitget.com"
ENDPOINT="/api/v2/tax/spot-record"

# === ARCHIVO SALIDA ===
OUTPUT_FILE="spot-record-2025.csv"
> "$OUTPUT_FILE"

# === CABECERA CSV ===
echo '"id","coin","spotTaxType","amount","fee","balance","ts","fecha_gmt1","bizOrderId"' > "$OUTPUT_FILE"

# === FUNCIONES ===
function timestamp() {
  date -u -j -f "%Y-%m-%d" "$1" +"%s"
}

function build_request() {
  local START_TS_MS="$1"
  local END_TS_MS="$2"
  local LIMIT=100
  local QUERY_STRING="startTime=${START_TS_MS}&endTime=${END_TS_MS}&limit=${LIMIT}"
  local FULL_URL="${BASE_URL}${ENDPOINT}?${QUERY_STRING}"

  local TIMESTAMP=$(curl -s https://api.bitget.com/api/v2/public/time | jq -r '.data.serverTime')
  local PREHASH="${TIMESTAMP}${METHOD}${ENDPOINT}?${QUERY_STRING}"
  local SIGNATURE=$(echo -n "${PREHASH}" | openssl dgst -sha256 -hmac "${API_SECRET}" -binary | base64)

  curl -s "${FULL_URL}" \
    -H "ACCESS-KEY: ${API_KEY}" \
    -H "ACCESS-SIGN: ${SIGNATURE}" \
    -H "ACCESS-TIMESTAMP: ${TIMESTAMP}" \
    -H "ACCESS-PASSPHRASE: ${PASSPHRASE}" \
    -H "Content-Type: application/json" \
    -H "locale: en-US"
}

# === BUCLE POR BLOQUES DE 30 DÍAS ===
START_DATE="2025-01-01"
END_DATE="2026-01-01"

CURRENT_DATE="$START_DATE"

while [[ "$CURRENT_DATE" < "$END_DATE" ]]; do
  NEXT_DATE=$(date -j -v+30d -f "%Y-%m-%d" "$CURRENT_DATE" +"%Y-%m-%d")

  START_MS=$(($(timestamp "$CURRENT_DATE") * 1000))
  END_MS=$(($(timestamp "$NEXT_DATE") * 1000))

  echo "🔄 Consultando de $CURRENT_DATE a $NEXT_DATE..."

  RESPONSE=$(build_request "$START_MS" "$END_MS")

  echo "$RESPONSE" | jq -r '
    if .code == "00000" and (.data | length > 0) then
      .data[] | [
        .id,
        .coin,
        .spotTaxType,
        .amount,
        .fee,
        .balance,
        .ts,
        (.ts|tonumber/1000 | strflocaltime("%Y-%m-%d %H:%M:%S +0100")),
        .bizOrderId
      ] | @csv
    else
      empty
    end
  ' >> "$OUTPUT_FILE"

  sleep 2
  CURRENT_DATE="$NEXT_DATE"
done

echo "✅ Exportado como $OUTPUT_FILE"