#!/bin/bash

###########################################
# Marreta Docker Entrypoint
# 
# This script initializes the Marreta container:
# - Configures environment variables
# - Adjusts directory permissions
# - Starts and checks services (PHP-FPM and Nginx)
#
# Este script inicializa o container do Marreta:
# - Configura variáveis de ambiente
# - Ajusta permissões dos diretórios
# - Inicia e verifica serviços (PHP-FPM e Nginx)
###########################################

# Cores de saída / Output colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color / Sem Cor

# Função de log de sucesso / Success log function
log_success() {
    echo -e "${GREEN}[✓] $1${NC}"
}

# Função de log de erro / Error log function
log_error() {
    echo -e "${RED}[✗] $1${NC}"
    exit 1
}

# Função de log de informação / Info log function
log_info() {
    echo -e "${YELLOW}[i] $1${NC}"
}

echo -e "\n${YELLOW}=== Starting Marreta ===${NC}\n"

# === Configuração das Variáveis de Ambiente / Environment Variables Configuration ===
log_info "Configuring environment variables..."

# Arquivo de ambiente (.env) / Env file (.env)
ENV_FILE="/app/.env"

# Limpa o arquivo de ambiente / Clean Env file
> "$ENV_FILE"

while IFS='=' read -r key value; do
    # If value contains spaces and is not already quoted, add quotes
    # Se o valor contém espaços e não está entre aspas, adiciona aspas
    if [[ "$value" =~ \  ]] && ! [[ "$value" =~ ^\".*\"$ ]]; then
        value="\"$value\""
    fi

    echo "$key=$value" >> "$ENV_FILE"
done < <(env)

log_success "Environment variables configured"

# === Ajuste de Permissões / Permissions Adjustment ===
log_info "Adjusting directory permissions..."

chown -R www-data:www-data /app/cache /app/logs
chmod -R 775 /app/cache /app/logs

log_success "Permissions adjusted"

# === Funções de Verificação de Serviços / Service Check Functions ===
check_nginx() {
    if ! pgrep nginx > /dev/null; then
        log_error "Failed to start Nginx"
    else
        log_success "Nginx started successfully"
    fi
}

check_php_fpm() {
    if ! pgrep php-fpm > /dev/null; then
        log_error "Failed to start PHP-FPM"
    else
        log_success "PHP-FPM started successfully"
    fi
}

# === Inicialização dos Serviços / Services Initialization ===
echo -e "\n${YELLOW}=== Starting services ===${NC}\n"

# Diretório do PHP-FPM / PHP-FPM Directory
if [ ! -d /var/run/php ]; then
    log_info "Creating PHP-FPM directory..."
    mkdir -p /var/run/php
    chown -R www-data:www-data /var/run/php
    log_success "PHP-FPM directory created"
fi

# Iniciando PHP-FPM / Starting PHP-FPM
log_info "Starting PHP-FPM..."
php-fpm &
sleep 3
check_php_fpm

# Verificando configuração do Nginx / Checking Nginx configuration
log_info "Checking Nginx configuration..."
nginx -t
if [ $? -ne 0 ]; then
    log_error "Invalid Nginx configuration"
else
    log_success "Valid Nginx configuration"
fi

# Iniciando Nginx / Starting Nginx
log_info "Starting Nginx..."
nginx -g "daemon off;" &
sleep 3
check_nginx

echo -e "\n${GREEN}=== Marreta initialized ===${NC}\n"

# Aguarda qualquer processo terminar / Wait for any process to exit
wait -n

# Sai com o status do processo que terminou primeiro / Exit with status of process that exited first
exit $?