#!/usr/bin/env bash
set -Eeuo pipefail

ROOT="${ROOT:-/var/www/dhv2.korexlabs.com}"
ZIP="${ZIP:-$ROOT/DH_V2_FASE_D5_3_2_SOURCE.zip}"
STAMP="$(date +%Y%m%d_%H%M%S)"
STAGE="/root/dhv2-d532-stage-$STAMP"
BACKUP_ROOT="/root/DH_V2_BACKUPS"
PRE_BACKUP="$BACKUP_ROOT/D5_3_2_PRE_$STAMP"
POST_BACKUP="$BACKUP_ROOT/D5_3_2_OK_$STAMP"

cleanup() { rm -rf "$STAGE"; }
trap cleanup EXIT
trap 'echo; echo "ERROR D5.3.2 en línea $LINENO: $BASH_COMMAND"' ERR

cd "$ROOT"
test -f "$ZIP"

echo "[1/10] Preparando staging"
mkdir -p "$STAGE"
unzip -q "$ZIP" -d "$STAGE"

echo "[2/10] Compilando API en staging"
docker build --target builder -t dhv2-api:d532-test "$STAGE/api-v3"

echo "[3/10] Ejecutando tests API en staging"
docker run --rm \
  -v "$STAGE/api-v3/test:/app/test:ro" \
  -v "$STAGE/api-v3/tsconfig.test.json:/app/tsconfig.test.json:ro" \
  dhv2-api:d532-test npm test

echo "[4/10] Compilando web en staging"
docker build -t dhv2-web:d532-test "$STAGE/web-v2"

echo "[5/10] Backup PRE"
mkdir -p "$PRE_BACKUP"
docker compose exec -T db sh -lc \
  'pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc' \
  > "$PRE_BACKUP/database.dump"
tar \
  --exclude='api-v3/node_modules' --exclude='api-v3/dist' \
  --exclude='web-v2/node_modules' --exclude='web-v2/dist' \
  --exclude='.git' --exclude='DH_V2_FASE_*.zip' \
  -czf "$PRE_BACKUP/source.tar.gz" \
  api-v3 web-v2 docs scripts infra docker-compose.yml README.md .env.example
if [[ -f .env ]]; then cp -a .env "$PRE_BACKUP/.env"; chmod 600 "$PRE_BACKUP/.env"; fi

echo "[6/10] Instalando source"
unzip -oq "$ZIP" -d "$ROOT"
chmod +x \
  "$ROOT/scripts/deploy-phase-d5-3-2.sh" \
  "$ROOT/scripts/phase-d5-3-2-acceptance.sh" \
  "$ROOT/scripts/dev-seed-mendoza-demo.sh" \
  "$ROOT/scripts/dev-clean-demo.sh"

echo "API source: $(node -p "require('./api-v3/package.json').version")"
echo "WEB source: $(node -p "require('./web-v2/package.json').version")"

echo "[7/10] Construyendo imágenes finales"
docker compose build api migrate web

echo "[8/10] Verificando migraciones"
MIGRATION_OUTPUT="$(docker compose --profile tools run --rm migrate npm run migration:show 2>&1)"
echo "$MIGRATION_OUTPUT"
grep -q 'Pending migrations: no' <<<"$MIGRATION_OUTPUT"

echo "[9/10] Recreando API y web"
docker compose up -d --force-recreate api web
for i in $(seq 1 40); do
  if curl -fsS http://127.0.0.1:3101/api/v3/health >/tmp/dhv2-d532-health.json 2>/dev/null; then
    break
  fi
  if [[ "$i" == "40" ]]; then
    docker compose logs --tail=200 api
    exit 1
  fi
  sleep 2
done
cat /tmp/dhv2-d532-health.json; echo

echo "[10/10] Aceptación y backup POST"
bash "$ROOT/scripts/phase-d5-3-2-acceptance.sh"
mkdir -p "$POST_BACKUP"
docker compose exec -T db sh -lc \
  'pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc' \
  > "$POST_BACKUP/database.dump"
docker compose ps -a > "$POST_BACKUP/docker-status.txt"
cp -a "$ZIP" "$POST_BACKUP/"
if [[ -f .env ]]; then cp -a .env "$POST_BACKUP/.env"; chmod 600 "$POST_BACKUP/.env"; fi
sha256sum "$POST_BACKUP/$(basename "$ZIP")" > "$POST_BACKUP/SHA256SUMS.txt"

echo
echo "D5.3.2 desplegada correctamente"
echo "Backup PRE : $PRE_BACKUP"
echo "Backup POST: $POST_BACKUP"