#!/usr/bin/env bash

# -------------------------------------------------------------------------
# SyspanelLamp - Entrypoint (MySQL 8.0)
# Author: Marco Costa & Syspanel (www.syspanel.com.br)
# Creation date: 05/09/2026
# License: MIT
# -------------------------------------------------------------------------

echo "=========================================="
echo "  SyspanelLamp - Starting services"
echo "=========================================="
echo "  Database: MySQL 8.0"

DB_ROOT_PASS="${DB_ROOT_PASS:-admin123}"

# -------------------------------------------------------------------------
# Fix ownership and permissions of MySQL data directory
# (handles auto-created bind mounts with wrong owner/mode)
# -------------------------------------------------------------------------
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

# -------------------------------------------------------------------------
# Initialize MySQL data directory if needed
# -------------------------------------------------------------------------
# Estratégia:
#   - Usa auto.cnf como indicador de inicialização completa do MySQL
#   - Se mysqld --initialize-insecure falhar, limpa e tenta de novo
FIRST_BOOT=0
if [ ! -f "/var/lib/mysql/auto.cnf" ]; then
    # auto.cnf é criado apenas por mysqld --initialize-insecure
    if [ -n "$(ls -A /var/lib/mysql/ 2>/dev/null)" ]; then
        echo ">> WARNING: /var/lib/mysql contains files but no auto.cnf — cleaning and reinitializing..."
        rm -rf /var/lib/mysql/*
        chown -R mysql:mysql /var/lib/mysql
    fi
    echo ">> Initializing MySQL data directory..."
    if ! mysqld --initialize-insecure --user=mysql --datadir=/var/lib/mysql 2>/tmp/mysql-init.log; then
        echo ">> WARNING: mysqld --initialize-insecure failed — retrying after cleanup..."
        rm -rf /var/lib/mysql/*
        chown -R mysql:mysql /var/lib/mysql
        mysqld --initialize-insecure --user=mysql --datadir=/var/lib/mysql
    fi
    FIRST_BOOT=1
elif [ ! -d "/var/lib/mysql/mysql/system" ] || [ -z "$(ls -A /var/lib/mysql/mysql/ 2>/dev/null)" ]; then
    echo ">> WARNING: MySQL 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
# -------------------------------------------------------------------------
echo ">> Starting MySQL..."
mysqld --user=mysql --datadir=/var/lib/mysql --skip-networking=0 --bind-address=0.0.0.0 --port=3306 &
MYSQL_PID=$!

# Wait for MySQL to be ready
for i in $(seq 1 60); do
    if mysqladmin ping --silent; then
        echo ">> MySQL is ready."
        break
    fi
    sleep 1
done

# -------------------------------------------------------------------------
# First boot setup: set root password, create databases and users
# -------------------------------------------------------------------------
if [ "${FIRST_BOOT:-0}" = "1" ]; then
    echo ">> Setting MySQL root password..."
    mysql -u root -e "ALTER USER 'root'@'localhost' IDENTIFIED BY '${DB_ROOT_PASS}'; FLUSH PRIVILEGES;"

    echo ">> Creating databases and users..."
    mysql -u root -p"${DB_ROOT_PASS}" <<'EOSQL'
CREATE DATABASE IF NOT EXISTS app CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
CREATE DATABASE IF NOT EXISTS wordpress CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
CREATE DATABASE IF NOT EXISTS laravel CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

CREATE USER IF NOT EXISTS 'app'@'%' IDENTIFIED BY 'app123';
GRANT ALL PRIVILEGES ON app.* TO 'app'@'%';

CREATE USER IF NOT EXISTS 'wordpress'@'%' IDENTIFIED BY 'wp123';
GRANT ALL PRIVILEGES ON wordpress.* TO 'wordpress'@'%';

CREATE USER IF NOT EXISTS 'laravel'@'%' IDENTIFIED BY 'laravel123';
GRANT ALL PRIVILEGES ON laravel.* TO 'laravel'@'%';

FLUSH PRIVILEGES;
EOSQL

    # Run additional init script if present
    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 || true
    fi

    echo ">> MySQL first boot setup complete."
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."
exec "$@"