#!/usr/bin/env bash

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

echo "=========================================="
echo "  SyspanelLamp - Starting services"
echo "=========================================="
echo "  Database: MariaDB"

DB_ROOT_PASS="${DB_ROOT_PASS:-admin123}"

# -------------------------------------------------------------------------
# Fix ownership and permissions of MariaDB 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
if [ -d "/var/log/mysql" ]; then
    chown -R mysql:mysql /var/log/mysql
fi

# -------------------------------------------------------------------------
# Initialize MariaDB data directory if needed
# -------------------------------------------------------------------------
# Lógica:
#   1. Verifica se /var/lib/mysql/mysql/user existe (indicador de init completa)
#   2. Se existe => MariaDB já inicializado, pula init mesmo com outros arquivos
#   3. Se NÃO existe => limpa tudo e inicializa (first boot ou dados corrompidos)
FIRST_BOOT=0
mkdir -p /var/log/mysql
chown -R mysql:mysql /var/lib/mysql /var/log/mysql

if [ ! -f "/var/lib/mysql/mysql/user.frm" ]; then
    FIRST_BOOT=1
    # Limpa diretório antes de inicializar para evitar conflitos
    if [ -n "$(ls -A /var/lib/mysql/ 2>/dev/null)" ]; then
        echo ">> WARNING: Invalid or corrupted MariaDB data — cleaning /var/lib/mysql/..."
        rm -rf /var/lib/mysql/*
        chown -R mysql:mysql /var/lib/mysql
    fi
    echo ">> Initializing MariaDB data directory (first boot)..."
    mariadb-install-db --user=mysql --datadir=/var/lib/mysql --auth-root-authentication-method=socket
else
    echo ">> Existing MariaDB data detected — skipping initialization."
fi

# -------------------------------------------------------------------------
# Start MariaDB
# -------------------------------------------------------------------------
echo ">> Starting MariaDB..."
mysqld --user=mysql --datadir=/var/lib/mysql --skip-networking=0 \
       --bind-address=0.0.0.0 --port=3306 \
       --log-bin=/var/log/mysql/mysql-bin.log \
       --pid-file=/var/run/mysqld/mysqld.pid \
       --socket=/var/run/mysqld/mysqld.sock &

MYSQL_PID=$!
mkdir -p /var/run/mysqld
chown mysql:mysql /var/run/mysqld

# Wait for MariaDB to be ready (up to 60s)
for i in $(seq 1 60); do
    if mysqladmin ping --silent 2>/dev/null; then
        echo ">> MariaDB is ready."
        break
    fi
    sleep 1
done

# -------------------------------------------------------------------------
# First boot setup: set root password, create databases and users
# -------------------------------------------------------------------------
if [ "${FIRST_BOOT:-0}" = "1" ]; then
    echo ">> Setting MariaDB root password..."
    mariadb -u root -e "ALTER USER 'root'@'localhost' IDENTIFIED BY '${DB_ROOT_PASS}'; FLUSH PRIVILEGES;" 2>/dev/null || true

    echo ">> Creating databases and users..."
    mariadb -u root -p"${DB_ROOT_PASS}" 2>/dev/null <<'EOSQL' || \
mariadb -u root 2>/dev/null <<'EOSQL_NO_PASS' || true
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
EOSQL_NO_PASS

    echo ">> MariaDB 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 "$@"