#!/usr/bin/env bash

# -------------------------------------------------------------------------
# SyspanelLamp - Entrypoint
# Author: Marco Costa & Syspanel (www.syspanel.com.br)
# Creation date: 05/09/2026
# License: MIT
# -------------------------------------------------------------------------

echo "=========================================="
echo "  SyspanelLamp - Starting services"
echo "=========================================="
echo "  Database: ${DATABASE:-mysql8}"

DATABASE="${DATABASE:-}"

# Auto-detect database type if DATABASE is not set
if [ -z "$DATABASE" ]; then
    if [ -f "/var/lib/mysql/auto.cnf" ]; then
        DATABASE="mysql8"
    else
        DATABASE="mysql8"
    fi
    echo "  DATABASE auto-detected: $DATABASE"
fi

DB_ROOT_PASS="${DB_ROOT_PASS:-admin123}"

# -------------------------------------------------------------------------
# Fix ownership and permissions of data directories (bind mount safety)
# -------------------------------------------------------------------------
if [ "$DATABASE" = "mysql8" ] || [ "$DATABASE" = "mariadb" ]; then
    if [ -d "/var/lib/mysql" ]; then
        chown -R mysql:mysql /var/lib/mysql
        chmod 755 /var/lib/mysql
    fi
    if [ -d "/var/lib/mysql/mysql" ]; then
        chmod 755 /var/lib/mysql/mysql
    fi
fi

# -------------------------------------------------------------------------
# MySQL 8.0 / MariaDB startup
# -------------------------------------------------------------------------
start_mysql() {
    echo ">> Starting MySQL/MariaDB..."
    mysqld --user=mysql --datadir=/var/lib/mysql --skip-networking=0 --bind-address=0.0.0.0 --port=3306 &
    MYSQL_PID=$!

    for i in $(seq 1 60); do
        if mysqladmin ping --silent 2>/dev/null; then
            echo ">> MySQL/MariaDB is ready."
            return 0
        fi
        sleep 1
    done
    echo ">> ERROR: MySQL/MariaDB failed to start."
    return 1
}

init_mysql_first_boot() {
    echo ">> [First boot] Setting root password and creating databases..."
    mysql -u root -e "ALTER USER 'root'@'localhost' IDENTIFIED BY '${DB_ROOT_PASS}'; FLUSH PRIVILEGES;" 2>/dev/null || \
    mysql -u root -e "SET PASSWORD FOR 'root'@'localhost' = PASSWORD('${DB_ROOT_PASS}');" 2>/dev/null || true

    if [ -f /docker-entrypoint-initdb.d/init.sql ]; then
        echo ">> Running init.sql..."
        mysql -u root -p"${DB_ROOT_PASS}" < /docker-entrypoint-initdb.d/init.sql 2>/dev/null || \
        mysql -u root < /docker-entrypoint-initdb.d/init.sql 2>/dev/null || true
    fi
    echo ">> MySQL/MariaDB first boot setup complete."
}

# -------------------------------------------------------------------------
# Initialize and start database
# -------------------------------------------------------------------------
FIRST_BOOT=0

if [ "$DATABASE" = "mysql8" ] || [ "$DATABASE" = "mariadb" ]; then
    # Initialize data directory if not yet initialized or corrupted
    if [ ! -f "/var/lib/mysql/auto.cnf" ]; then
        if [ -n "$(ls -A /var/lib/mysql/ 2>/dev/null)" ]; then
            echo ">> WARNING: /var/lib/mysql contains files but no auto.cnf — cleaning and reinitializing..."
            rm -rf /var/lib/mysql/*
            chown -R mysql:mysql /var/lib/mysql
        fi
        echo ">> Initializing MySQL/MariaDB data directory..."
        mysqld --initialize-insecure --user=mysql --datadir=/var/lib/mysql
        FIRST_BOOT=1
    elif [ ! -d "/var/lib/mysql/mysql/system" ] || [ -z "$(ls -A /var/lib/mysql/mysql/ 2>/dev/null)" ]; then
        echo ">> WARNING: MySQL/MariaDB data directory appears corrupted. Reinitializing..."
        rm -rf /var/lib/mysql/*
        chown -R mysql:mysql /var/lib/mysql
        mysqld --initialize-insecure --user=mysql --datadir=/var/lib/mysql
        FIRST_BOOT=1
    fi

    start_mysql

    if [ "$FIRST_BOOT" = "1" ]; then
        init_mysql_first_boot
    fi
else
    echo ">> ERROR: Unknown DATABASE type: $DATABASE"
    echo ">> Supported: mysql8, mariadb"
    exit 1
fi

# -------------------------------------------------------------------------
# Start Redis
# -------------------------------------------------------------------------
echo ">> Starting Redis..."
redis-server --daemonize yes 2>/dev/null || true

# -------------------------------------------------------------------------
# Ensure /app directory exists
# -------------------------------------------------------------------------
mkdir -p /app /var/www/html/public
chown -R www-data:www-data /app /var/www/html/public

# -------------------------------------------------------------------------
# Start Apache in foreground (handled by CMD)
# -------------------------------------------------------------------------
echo ">> Starting Apache..."
echo ">> All services started successfully (DB: ${DATABASE})."
exec "$@"