#!/bin/bash
# PIRP Reset Script - Setzt DB und Uploads komplett zurück
# Default Login nach Reset: admin:admin
#
# Verwendung:
#   ./reset.sh          - Interaktiv (fragt nach Docker/Lokal)
#   ./reset.sh docker   - Nur Docker
#   ./reset.sh local    - Nur Lokal

set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$SCRIPT_DIR"

# DB-Verbindungsdaten für lokalen Betrieb (aus config.php oder Env)
DB_HOST="${DB_HOST:-127.0.0.1}"
DB_PORT="${DB_PORT:-5432}"
DB_NAME="${DB_NAME:-pirp}"
DB_USER="${DB_USER:-pirp_user}"
DB_PASS="${DB_PASS:-PIRPdb2025!}"

# admin:admin Password Hash
ADMIN_HASH='$2y$10$YourHashHere'

echo "=== PIRP Reset ==="
echo "WARNUNG: Dies löscht ALLE Daten (Datenbank + Uploads)!"
echo ""

# Modus bestimmen
MODE="$1"
if [ -z "$MODE" ]; then
    echo "Welchen Modus verwenden?"
    echo "  1) Docker (docker-compose)"
    echo "  2) Lokal (PostgreSQL direkt)"
    echo ""
    read -p "Auswahl (1/2): " choice
    case "$choice" in
        1) MODE="docker" ;;
        2) MODE="local" ;;
        *) echo "Ungültige Auswahl."; exit 1 ;;
    esac
fi

echo ""
read -p "Wirklich ALLE Daten löschen? (ja/nein): " confirm
if [ "$confirm" != "ja" ]; then
    echo "Abgebrochen."
    exit 0
fi

# Uploads löschen
echo ""
echo "=> Uploads löschen..."
rm -rf public/uploads/logos/* 2>/dev/null || true
rm -rf public/uploads/expenses/* 2>/dev/null || true
rm -rf public/uploads/invoices/* 2>/dev/null || true
mkdir -p public/uploads/logos public/uploads/expenses public/uploads/invoices
echo "   Uploads gelöscht."

if [ "$MODE" = "docker" ]; then
    # === DOCKER MODUS ===
    echo ""
    echo "=> Docker Container stoppen und Volume löschen..."
    docker compose down -v 2>/dev/null || docker-compose down -v 2>/dev/null || true

    echo ""
    echo "=> Docker Container neu starten..."
    docker compose up -d 2>/dev/null || docker-compose up -d

    echo ""
    echo "=> Warte auf Datenbank..."
    sleep 5

    echo ""
    echo "=> Migrationen ausführen..."
    docker compose exec -T db psql -U "$DB_USER" -d "$DB_NAME" -f /docker-entrypoint-initdb.d/02-journal.sql 2>/dev/null || true

else
    # === LOKAL MODUS ===
    export PGPASSWORD="$DB_PASS"

    echo ""
    echo "=> Datenbank zurücksetzen..."

    # Alle Tabellen droppen und Schema neu erstellen
    echo "   Schema anwenden..."
    psql -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" -f schema.sql

    echo "   Journal-Migration..."
    psql -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" -f tools/migrate_journal.sql

    # Admin-User erstellen (admin:admin)
    echo "   Admin-User erstellen..."
    ADMIN_HASH=$(php -r "echo password_hash('admin', PASSWORD_DEFAULT);")
    psql -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" <<EOF
INSERT INTO users (username, password_hash)
VALUES ('admin', '$ADMIN_HASH')
ON CONFLICT (username) DO UPDATE SET password_hash = EXCLUDED.password_hash;
EOF

    unset PGPASSWORD
fi

echo ""
echo "=== Reset abgeschlossen ==="
echo ""
echo "Login: admin / admin"
if [ "$MODE" = "docker" ]; then
    echo "URL:   http://localhost:8080"
else
    echo "Starte Server mit: php -S localhost:8080 -t public"
fi
echo ""