#!/usr/bin/env bash
set -Eeuo pipefail
ROOT="${ROOT:-/var/www/dhv2.korexlabs.com}"
ZIP="${ZIP:-$ROOT/DH_V2_FASE_D5_3_6_3_SOURCE.zip}"
STAMP="$(date +%Y%m%d_%H%M%S)"
STAGE="/root/dhv2-d5363-stage-$STAMP"
BACKUP_ROOT="/root/DH_V2_BACKUPS"
PRE_BACKUP="$BACKUP_ROOT/D5_3_6_3_PRE_$STAMP"
POST_BACKUP="$BACKUP_ROOT/D5_3_6_3_OK_$STAMP"
cleanup(){ rm -rf "$STAGE"; }
trap cleanup EXIT
trap 'echo; echo "ERROR D5.3.6.3 en línea $LINENO: $BASH_COMMAND"' ERR
cd "$ROOT"
test -f "$ZIP"

echo "[1/11] Preparando staging"
mkdir -p "$STAGE"
unzip -q "$ZIP" -d "$STAGE"
[[ "$(node -p "require('$STAGE/api-v3/package.json').version")" == "0.19.3-6.3" ]]
[[ "$(node -p "require('$STAGE/web-v2/package.json').version")" == "0.19.3-6.3" ]]

echo "[2/11] Compilando API en staging"
docker build --target builder -t dhv2-api:d5363-test "$STAGE/api-v3"

echo "[3/11] 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:d5363-test npm test

echo "[4/11] Compilando web en staging"
docker build -t dhv2-web:d5363-test "$STAGE/web-v2"

echo "[5/11] 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 "[6/11] Instalando source"
unzip -oq "$ZIP" -d "$ROOT"
chmod +x "$ROOT/scripts/deploy-phase-d5-3-6-3.sh" "$ROOT/scripts/phase-d5-3-6-3-acceptance.sh"
echo "API source: $(node -p "require('./api-v3/package.json').version")"
echo "WEB source: $(node -p "require('./web-v2/package.json').version")"

echo "[7/11] Construyendo imágenes finales"
docker compose build api migrate web

echo "[8/11] Verificando migraciones"
MIGRATION_OUTPUT="$(docker compose --profile tools run --rm migrate npm run migration:show 2>&1)"
echo "$MIGRATION_OUTPUT"
if grep -Fq 'Pending migrations: yes' <<<"$MIGRATION_OUTPUT"; then docker compose --profile tools run --rm migrate npm run migration:run; fi
MIGRATION_AFTER="$(docker compose --profile tools run --rm migrate npm run migration:show 2>&1)"
echo "$MIGRATION_AFTER"
grep -Fq 'Pending migrations: no' <<<"$MIGRATION_AFTER"

echo "[9/11] Recreando API y web"
docker compose up -d --force-recreate api web
for i in $(seq 1 40); do
  if curl -fsS http://127.0.0.1:3101/api/v3/health >/tmp/dhv2-d5363-health.json 2>/dev/null; then break; fi
  if [[ "$i" == "40" ]]; then docker compose logs --tail=200 api; exit 1; fi
  sleep 2
done
cat /tmp/dhv2-d5363-health.json; echo

echo "[10/11] Aceptación automática"
bash "$ROOT/scripts/phase-d5-3-6-3-acceptance.sh"

echo "[11/11] Backup POST"
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 "D5.3.6.3 desplegada correctamente"
echo "Backup PRE : $PRE_BACKUP"
echo "Backup POST: $POST_BACKUP"