#!/bin/bash

# --- Color Definitions for Premium Terminal Styling ---
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
CYAN='\033[0;36m'
MAGENTA='\033[0;35m'
BOLD='\033[1m'
NC='\033[0m' # No Color

# Helper Functions for Clean Output
log_info() {
    echo -e "  ${BLUE}[INFO]${NC} $1"
}

log_success() {
    echo -e "  ${GREEN}[SUCCESS]${NC} ✔ $1"
}

log_warning() {
    echo -e "  ${YELLOW}[WARNING]${NC} ⚠ $1"
}

log_error() {
    echo -e "  ${RED}[ERROR]${NC} ✘ $1"
}

clear_screen() {
    clear 2>/dev/null || printf "\033c"
}

clear_screen

# Premium Welcome Header
echo -e "${CYAN}======================================================================${NC}"
echo -e "${BOLD}${MAGENTA}       🛠️   BIIPROJECT KIT V2 - CORE APPLICATION INSTALLER  🛠️       ${NC}"
echo -e "${CYAN}======================================================================${NC}"
echo -e "  Selamat datang di asisten instalasi otomatis Biiproject Kit."
echo -e "  Skrip ini akan memvalidasi lingkungan Anda dan menginstal seluruh"
echo -e "  kebutuhan aplikasi agar siap dijalankan."
echo -e "${CYAN}======================================================================${NC}"
echo ""

# 1. PRE-FLIGHT SYSTEM CHECKS
echo -e "${BOLD}${BLUE}[1/7] Memeriksa Kebutuhan Sistem (Pre-flight Checks)...${NC}"

# Check Docker Installation
if ! command -v docker &> /dev/null; then
    log_error "Docker tidak ditemukan pada sistem ini."
    log_warning "Harap instal Docker terlebih dahulu sebelum melanjutkan."
    exit 1
else
    log_success "Docker terinstal."
fi

# Check Docker Daemon Status
if ! docker info &> /dev/null; then
    log_error "Docker daemon tidak berjalan."
    log_warning "Harap jalankan Docker service Anda (misal: sudo systemctl start docker)."
    exit 1
else
    log_success "Docker daemon aktif dan berjalan."
fi

# Check Docker Compose Installation
if ! docker compose version &> /dev/null; then
    log_warning "Docker Compose v2 tidak terdeteksi. Mencoba memeriksa 'docker-compose' lama..."
    if ! command -v docker-compose &> /dev/null; then
        log_error "Docker Compose tidak ditemukan pada sistem."
        exit 1
    else
        log_success "Docker-compose (v1) terinstal."
        DOCKER_COMPOSE_CMD="docker-compose"
    fi
else
    log_success "Docker Compose v2 terinstal."
    DOCKER_COMPOSE_CMD="docker compose"
fi
echo ""

# 2. ENVIRONMENT CONFIGURATION
echo -e "${BOLD}${BLUE}[2/7] Mengonfigurasi File Environment (.env)...${NC}"
if [ ! -f .env ]; then
    if [ -f .env.example ]; then
        log_info "Membuat file .env baru dari .env.example..."
        cp .env.example .env
        log_success "File .env berhasil dibuat."
    else
        log_error "File .env.example tidak ditemukan! Tidak dapat membuat file .env."
        exit 1
    fi
else
    log_info "File .env sudah ada. Menggunakan konfigurasi yang ada."
fi
echo ""

# Parse App Port from .env
APP_PORT=$(grep "^APP_PORT=" .env | cut -d'=' -f2- | tr -d '"'\''')
APP_PORT=${APP_PORT:-8000}

# 3. VENDOR & COMPOSER DEPENDENCIES
echo -e "${BOLD}${BLUE}[3/7] Menginstal Dependensi PHP (Composer)...${NC}"
if [ ! -d vendor ]; then
    log_info "Direktori 'vendor' tidak ditemukan. Mengunduh dependensi via PHP-Composer container..."
    
    docker run --rm \
        -u "$(id -u):$(id -g)" \
        -v "$(pwd):/var/www/html" \
        -w /var/www/html \
        laravelsail/php83-composer:latest \
        composer install --ignore-platform-reqs --no-interaction --prefer-dist
        
    if [ $? -ne 0 ]; then
        log_error "Gagal menginstal dependensi Composer. Silakan cek koneksi internet Anda."
        exit 1
    fi
    log_success "Dependensi Composer berhasil diinstal."
else
    log_info "Direktori 'vendor' sudah ada. Melewati instalasi Composer."
fi
echo ""

# 4. SPIN UP DOCKER CONTAINERS
echo -e "${BOLD}${BLUE}[4/7] Memulai Container Docker (Database, Redis, Web)...${NC}"
log_info "Menjalankan '$DOCKER_COMPOSE_CMD up -d'..."
$DOCKER_COMPOSE_CMD up -d

if [ $? -ne 0 ]; then
    log_error "Gagal menjalankan Docker container. Periksa file docker-compose.yml."
    exit 1
fi
log_success "Docker containers berhasil dijalankan."
echo ""

# Resolve container names dynamically
DB_CONTAINER="bii-pgsql"
REDIS_CONTAINER="bii-redis"
WEB_CONTAINER="laravel.test"

# 5. WAITING FOR SERVICES HEALTHY (Postgres & Redis)
echo -e "${BOLD}${BLUE}[5/7] Menunggu Database & Redis Siap (Healthcheck)...${NC}"

echo -ne "  ${YELLOW}Memeriksa PostgreSQL Database ($DB_CONTAINER)...${NC}"
RETRIES=0
MAX_RETRIES=40
while [ $RETRIES -lt $MAX_RETRIES ]; do
    STATUS=$(docker inspect --format='{{.State.Health.Status}}' "$DB_CONTAINER" 2>/dev/null)
    if [ "$STATUS" = "healthy" ]; then
        echo -e "\r  ${GREEN}[SELESAI]${NC} ✔ PostgreSQL siap menerima koneksi!           "
        break
    elif [ "$STATUS" = "unhealthy" ]; then
        echo -e "\r  ${YELLOW}[PERINGATAN]${NC} ⚠ Healthcheck PGSQL melaporkan error. Melanjutkan..."
        break
    elif [ -z "$STATUS" ]; then
        RUNNING=$(docker inspect --format='{{.State.Running}}' "$DB_CONTAINER" 2>/dev/null)
        if [ "$RUNNING" = "true" ]; then
            echo -e "\r  ${GREEN}[SELESAI]${NC} ✔ PostgreSQL running (tanpa healthcheck status)."
            break
        fi
    fi
    echo -n "."
    sleep 1.5
    RETRIES=$((RETRIES + 1))
done

echo -ne "  ${YELLOW}Memeriksa Redis Cache ($REDIS_CONTAINER)...${NC}"
RETRIES=0
while [ $RETRIES -lt $MAX_RETRIES ]; do
    STATUS=$(docker inspect --format='{{.State.Health.Status}}' "$REDIS_CONTAINER" 2>/dev/null)
    if [ "$STATUS" = "healthy" ]; then
        echo -e "\r  ${GREEN}[SELESAI]${NC} ✔ Redis siap menerima koneksi!                 "
        break
    elif [ "$STATUS" = "unhealthy" ]; then
        echo -e "\r  ${YELLOW}[PERINGATAN]${NC} ⚠ Healthcheck Redis melaporkan error. Melanjutkan..."
        break
    elif [ -z "$STATUS" ]; then
        RUNNING=$(docker inspect --format='{{.State.Running}}' "$REDIS_CONTAINER" 2>/dev/null)
        if [ "$RUNNING" = "true" ]; then
            echo -e "\r  ${GREEN}[SELESAI]${NC} ✔ Redis running (tanpa healthcheck status)."
            break
        fi
    fi
    echo -n "."
    sleep 1.5
    RETRIES=$((RETRIES + 1))
done
sleep 2
echo ""

# 6. INITIALIZING APPLICATION (Key, Database Migrate, NPM)
echo -e "${BOLD}${BLUE}[6/7] Menginisialisasi Database & Aset Aplikasi...${NC}"

# Secure Permissions First
log_info "Mengonfigurasi hak akses file di dalam container..."
$DOCKER_COMPOSE_CMD exec -u root laravel.test chown -R sail:sail /var/www/html/storage /var/www/html/bootstrap/cache 2>/dev/null
$DOCKER_COMPOSE_CMD exec -u root laravel.test chmod -R 775 /var/www/html/storage /var/www/html/bootstrap/cache 2>/dev/null

# Generate Key
APP_KEY_VAL=$(grep "^APP_KEY=" .env | cut -d'=' -f2- | tr -d '"'\''')
if [ -z "$APP_KEY_VAL" ] || [ "$APP_KEY_VAL" = "base64:" ] || [ "$APP_KEY_VAL" = "SomeRandomString" ]; then
    log_info "Menghasilkan unique application key..."
    $DOCKER_COMPOSE_CMD exec -u sail laravel.test php artisan key:generate
else
    log_info "Application key sudah diatur."
fi

# Migration & Seed
log_info "Menjalankan migrasi database dan default seeders..."
$DOCKER_COMPOSE_CMD exec -u sail laravel.test php artisan migrate:fresh --seed
if [ $? -eq 0 ]; then
    log_success "Database berhasil di-migrate dan di-seed."
else
    log_error "Gagal melakukan migrasi database."
fi

# Link Storage
log_info "Membuat symbolic link untuk storage..."
$DOCKER_COMPOSE_CMD exec -u sail laravel.test php artisan storage:link --quiet 2>/dev/null
log_success "Storage link berhasil terhubung."

# Install NPM Packages
log_info "Memasang dependensi NodeJS (NPM)..."
if [ ! -d node_modules ]; then
    $DOCKER_COMPOSE_CMD exec -u sail laravel.test npm install
    if [ $? -eq 0 ]; then
        log_success "Dependensi NodeJS berhasil dipasang."
    else
        log_warning "Gagal memasang dependensi NodeJS."
    fi
else
    log_info "Folder 'node_modules' sudah ada. Melewati instalasi NPM."
fi

# Build Production Assets
log_info "Mengompilasi aset frontend (production build)..."
$DOCKER_COMPOSE_CMD exec -u sail laravel.test npm run build
if [ $? -eq 0 ]; then
    log_success "Frontend assets berhasil dikompilasi."
else
    log_warning "Gagal melakukan build frontend assets."
fi

# Clean up permissions again in case npm install created any root-owned folders
$DOCKER_COMPOSE_CMD exec -u root laravel.test chown -R sail:sail /var/www/html/node_modules /var/www/html/package-lock.json 2>/dev/null

echo ""

# 7. PERMISSIONS & FINISHING
echo -e "${BOLD}${BLUE}[7/7] Finishing & Finalizing...${NC}"
chmod +x artisan sail run.sh 2>/dev/null
log_success "Hak akses berkas lokal (artisan, sail, run.sh) disesuaikan."

clear_screen

# SUCCESS BOARD
echo -e "${GREEN}======================================================================${NC}"
echo -e "${BOLD}${GREEN}        🎉 INSTALASI BIIPROJECT KIT BERHASIL DISELESAIKAN! 🎉        ${NC}"
echo -e "${GREEN}======================================================================${NC}"
echo -e "  Aplikasi Anda sekarang siap digunakan!"
echo -e ""
echo -e "  👉 ${BOLD}URL Aplikasi:${NC}         ${CYAN}http://localhost:${APP_PORT}${NC}"
echo -e "  👉 ${BOLD}Monitoring Panel:${NC}     ${CYAN}http://localhost:${APP_PORT}/system-monitoring${NC}"
echo -e "  👉 ${BOLD}Dokumentasi API:${NC}      ${CYAN}http://localhost:${APP_PORT}/documentation${NC}"
echo -e "  👉 ${BOLD}Layanan Database:${NC}     PostgreSQL pada port ${YELLOW}5432${NC}"
echo -e "  👉 ${BOLD}Layanan Redis:${NC}        Redis pada port ${YELLOW}6379${NC}"
echo -e ""
echo -e "  ========================================================"
echo -e "  ${BOLD}CARA MENJALANKAN & MENGHENTIKAN APLIKASI:${NC}"
echo -e "  ========================================================"
echo -e "  Untuk menjalankan server pengembangan (live reload):"
echo -e "    ${CYAN}./run.sh${NC}"
echo -e ""
echo -e "  Untuk melihat logs docker secara realtime:"
echo -e "    ${CYAN}docker compose logs -f${NC}"
echo -e ""
echo -e "  Untuk menghentikan docker container:"
echo -e "    ${CYAN}docker compose down${NC}"
echo -e "${GREEN}======================================================================${NC}"
echo ""