#!/usr/bin/env bash
# Avito city sweep — full ЕКБ pagination + enrichment.
# Random delay 0-3h перед запуском чтобы cron не бил Avito в одно и то же время каждый день.
#
# Crontab: 0 2 * * * /opt/gendesign/tradein-mvp/deploy/avito-city-sweep.sh
# Реальный запуск: 02:00-05:00 UTC случайно каждый день.
#
# Env overrides:
#   SWEEP_PAGES=3           — страниц на anchor (default 3)
#   SWEEP_DETAIL_TOP_N=20   — detail enrichment top-N (default 20)
#   SWEEP_REQUEST_DELAY=7.0 — задержка между запросами в секундах (default 7.0)
#   LOG=/var/log/tradein-avito-city-sweep.log
#   TRADEIN_BACKEND_CONTAINER=tradein-backend

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LOG="${LOG:-/var/log/tradein-avito-city-sweep.log}"
CONTAINER="${TRADEIN_BACKEND_CONTAINER:-tradein-backend}"

log() {
    echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*" | tee -a "$LOG"
}

# Random delay 0-10800 sec (0-3h). RANDOM gives 0..32767, mod 10800 → uniform 0..3h.
DELAY=$((RANDOM % 10800))
log "=== avito-city-sweep: sleeping ${DELAY}s before start ==="
sleep "$DELAY"

# Параметры sweep (overrideable via env)
PAGES_PER_ANCHOR="${SWEEP_PAGES:-3}"
DETAIL_TOP_N="${SWEEP_DETAIL_TOP_N:-20}"
REQUEST_DELAY="${SWEEP_REQUEST_DELAY:-7.0}"

PAYLOAD=$(cat <<EOF
{
  "pages_per_anchor": ${PAGES_PER_ANCHOR},
  "detail_top_n": ${DETAIL_TOP_N},
  "request_delay_sec": ${REQUEST_DELAY},
  "enrich_houses": true,
  "radius_m": 1500
}
EOF
)

log "=== avito-city-sweep: triggering with pages=${PAGES_PER_ANCHOR} detail_top_n=${DETAIL_TOP_N} ==="

resp=$(docker exec "$CONTAINER" curl -s -X POST \
    http://localhost:8000/api/v1/admin/scrape/avito-city-sweep \
    -H "Content-Type: application/json" \
    -d "$PAYLOAD" \
    -m 30 2>/dev/null || echo '{"error":"trigger_failed"}')

log "<- response: $resp"

# Проверка что run_id вернулся
if echo "$resp" | grep -q '"run_id"'; then
    RUN_ID=$(echo "$resp" | grep -o '"run_id":[0-9]*' | grep -o '[0-9]*')
    log "=== avito-city-sweep: started run_id=${RUN_ID} (background task на backend)"
    log "=== Polling: GET /api/v1/admin/scrape/avito-city-sweep/runs"
else
    log "=== avito-city-sweep: WARNING — unexpected response, check backend logs ==="
    exit 1
fi