#!/bin/bash

# --- Color Definitions for Premium Look ---
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
CYAN='\033[0;36m'
WHITE='\033[1;37m'
BOLD='\033[1m'
NC='\033[0m' # No Color

echo -e "${CYAN}======================================================${NC}"
echo -e "${GREEN}${BOLD}    ⚡ Biiproject Kit v2 — Professional Installer ⚡   ${NC}"
echo -e "${CYAN}======================================================${NC}"

# 1. Pre-flight Checks (Docker & Daemon status)
echo -e "${CYAN}[1/7] Verifying Docker environment...${NC}"
if ! command -v docker &> /dev/null; then
    echo -e "  ${RED}❌ Error: Docker is not installed on this system.${NC}"
    echo -e "  ${YELLOW}👉 Please install Docker before running the installer.${NC}"
    exit 1
fi

if ! docker info &> /dev/null; then
    echo -e "  ${RED}❌ Error: Docker daemon is not running.${NC}"
    echo -e "  ${YELLOW}👉 Please start Docker Desktop or the Docker service and try again.${NC}"
    exit 1
fi
echo -e "  ${GREEN}✔ Docker is installed and running perfectly.${NC}"
echo ""

# 2. Check and Create Environment File (.env)
echo -e "${CYAN}[2/7] Preparing configuration environment (.env)...${NC}"
if [ ! -f .env ]; then
    if [ -f .env.example ]; then
        cp .env.example .env
        echo -e "  ${GREEN}✔ Created .env from .env.example template.${NC}"
    else
        echo -e "  ${RED}❌ Error: .env.example template is missing!${NC}"
        exit 1
    fi
else
    echo -e "  ${GREEN}✔ Configuration file .env is already present.${NC}"
fi
echo ""

# 3. Clean up conflicting containers
echo -e "${CYAN}[3/7] Cleaning up existing container conflicts...${NC}"
# Safely stop and remove containers by name to prevent conflict issues on port mapping
CONFLICT_CONTAINERS=("bii-kit-web" "bii-kit-pgsql" "bii-kit-redis")
for container in "${CONFLICT_CONTAINERS[@]}"; do
    if [ ! -z "$(docker ps -a -q -f name=^/${container}$ 2>/dev/null)" ]; then
        echo -ne "  ${YELLOW}Removing old container $container...${NC}"
        docker rm -f "$container" &>/dev/null
        echo -e "\r  ${GREEN}✔ Container $container successfully cleared.          ${NC}"
    fi
done
echo -e "  ${GREEN}✔ Conflict scanning complete.${NC}"
echo ""

# 4. Zero-Dependency Host Bootstrapping: Composer Install
echo -e "${CYAN}[4/7] Installing PHP dependencies via Composer...${NC}"
echo -e "  ${YELLOW}⚙ Bootstrapping Composer packages inside lightweight PHP container...${NC}"
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

if [ $? -ne 0 ]; then
    echo -e "  ${RED}❌ Error: Composer dependency installation failed.${NC}"
    exit 1
fi
echo -e "  ${GREEN}✔ Composer dependencies successfully installed.${NC}"
echo ""

# 5. Booting Docker Services for DB Migration
echo -e "${CYAN}[5/7] Spin up database & Redis services...${NC}"
docker compose up pgsql redis -d

if [ $? -ne 0 ]; then
    echo -e "  ${RED}❌ Error: Failed to boot Postgres & Redis services.${NC}"
    exit 1
fi

DB_CONTAINER="bii-kit-pgsql"
echo -ne "  ${YELLOW}Waiting for PostgreSQL ($DB_CONTAINER) to become healthy...${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}✔ PostgreSQL is healthy and ready to accept connections!           ${NC}"
        break
    elif [ "$STATUS" = "unhealthy" ]; then
        echo -e "\r  ${RED}⚠ PostgreSQL health check failed. Proceeding anyway...${NC}"
        break
    elif [ -z "$STATUS" ]; then
        RUNNING=$(docker inspect --format='{{.State.Running}}' "$DB_CONTAINER" 2>/dev/null)
        if [ "$RUNNING" = "true" ]; then
            echo -e "\r  ${GREEN}✔ PostgreSQL container is running.                                 ${NC}"
            break
        fi
    fi
    echo -n "."
    sleep 1.5
    RETRIES=$((RETRIES + 1))
done
echo ""

# 6. Initialize Database & Application Keys
echo -e "${CYAN}[6/7] Initializing keys and database seeds...${NC}"

# Start sails application container in background temporarily to execute artisan commands
docker compose up laravel.test -d

# Secure directories owner & permissions
echo -e "  ${YELLOW}Securing workspace file permissions...${NC}"
docker compose exec -u root laravel.test chown -R sail:sail /var/www/html/storage /var/www/html/bootstrap/cache 2>/dev/null
docker compose exec -u root laravel.test chmod -R 775 /var/www/html/storage /var/www/html/bootstrap/cache 2>/dev/null

# Generate APP_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
    echo -e "  ${YELLOW}⚙ Generating application encryption key...${NC}"
    docker compose exec -u sail laravel.test php artisan key:generate
fi

# Run migrations and seeders
echo -e "  ${YELLOW}⚙ Initializing database schemas & Spatie RBAC tables...${NC}"
docker compose exec -u sail laravel.test php artisan migrate:fresh --seed

# Generate Passport OAuth2 Keys
echo -e "  ${YELLOW}⚙ Creating Passport OAuth2 server authentication client keys...${NC}"
docker compose exec -u sail laravel.test php artisan passport:keys --force
docker compose exec -u sail laravel.test php artisan passport:client --personal --no-interaction
echo -e "  ${GREEN}✔ Database and keys successfully initialized.${NC}"
echo ""

# 7. Compiling Frontend assets
echo -e "${CYAN}[7/7] Installing and compiling React Frontend...${NC}"
echo -e "  ${YELLOW}⚙ Installing Node modules (NPM)...${NC}"
docker compose exec -u sail laravel.test npm install

echo -e "  ${YELLOW}⚙ Compiling production web bundles (Vite)...${NC}"
docker compose exec -u sail laravel.test npm run build

# Storage Symlink
docker compose exec -u sail laravel.test php artisan storage:link &>/dev/null

# Final permission secure
docker compose exec -u root laravel.test chown -R sail:sail /var/www/html/node_modules /var/www/html/package-lock.json 2>/dev/null

echo ""
echo -e "${CYAN}=================================================================${NC}"
echo -e "    🎉 ${GREEN}${BOLD}Installation Complete! biiproject-kit v2 is ready!${NC} 🎉"
echo -e "${CYAN}=================================================================${NC}"
echo -e " ${WHITE}You can now run the application stack anytime by executing:${NC}"
echo -e " 👉 ${GREEN}${BOLD}./run.sh${NC}"
echo -e "${CYAN}=================================================================${NC}"
echo ""