#!/bin/bash
# Verify Archipelago Installation
# This script checks if all required dependencies are properly installed

set -e

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

ERRORS=0

echo "============================================"
echo "Archipelago Installation Verification"
echo "============================================"
echo ""

# Function to check command
check_command() {
    local cmd=$1
    local name=$2
    local version_flag=${3:---version}
    
    if command -v "$cmd" >/dev/null 2>&1; then
        local version=$($cmd $version_flag 2>&1 | head -n 1)
        echo -e "${GREEN}✓${NC} $name: $version"
        return 0
    else
        echo -e "${RED}✗${NC} $name: NOT FOUND"
        ERRORS=$((ERRORS + 1))
        return 1
    fi
}

# Check system tools
echo "System Tools:"
check_command "rustc" "Rust Compiler" "--version"
check_command "cargo" "Cargo" "--version"
check_command "node" "Node.js" "--version"
check_command "npm" "NPM" "--version"
check_command "podman" "Podman" "--version"
check_command "psql" "PostgreSQL" "--version"

echo ""

# Check optional tools
echo "Optional Tools:"
check_command "brew" "Homebrew" "--version" || echo -e "${YELLOW}  (Homebrew is recommended for macOS)${NC}"

echo ""

# Check project dependencies
echo "Project Dependencies:"

# Check frontend dependencies
if [ -d "neode-ui/node_modules" ]; then
    echo -e "${GREEN}✓${NC} Frontend dependencies installed"
else
    echo -e "${RED}✗${NC} Frontend dependencies NOT installed"
    echo -e "${YELLOW}  Run: cd neode-ui && npm install${NC}"
    ERRORS=$((ERRORS + 1))
fi

# Check custom app dependencies
for app in did-wallet endurain morphos-server router web5-dwn; do
    if [ -d "apps/$app/node_modules" ]; then
        echo -e "${GREEN}✓${NC} $app dependencies installed"
    else
        echo -e "${YELLOW}⚠${NC} $app dependencies NOT installed"
        echo -e "${YELLOW}  Run: cd apps/$app && npm install${NC}"
    fi
done

echo ""

# Check Rust build
echo "Rust Backend:"
if [ -d "core/target" ]; then
    echo -e "${GREEN}✓${NC} Backend has been built"
else
    echo -e "${YELLOW}⚠${NC} Backend not built yet"
    echo -e "${YELLOW}  Run: cd core && cargo build${NC}"
fi

echo ""

# Check Podman machine
echo "Container Runtime:"
if podman machine list 2>/dev/null | grep -q "Running"; then
    echo -e "${GREEN}✓${NC} Podman machine is running"
elif podman machine list 2>/dev/null | grep -q "Stopped"; then
    echo -e "${YELLOW}⚠${NC} Podman machine exists but not running"
    echo -e "${YELLOW}  Run: podman machine start${NC}"
else
    echo -e "${YELLOW}⚠${NC} Podman machine not initialized"
    echo -e "${YELLOW}  Run: podman machine init && podman machine start${NC}"
fi

echo ""

# Check PostgreSQL
echo "Database:"
if brew services list 2>/dev/null | grep postgresql | grep -q started; then
    echo -e "${GREEN}✓${NC} PostgreSQL service is running"
elif psql --version >/dev/null 2>&1; then
    echo -e "${YELLOW}⚠${NC} PostgreSQL installed but service not running"
    echo -e "${YELLOW}  Run: brew services start postgresql@15${NC}"
else
    echo -e "${YELLOW}⚠${NC} PostgreSQL status unknown"
fi

# Check if database exists
if psql -lqt 2>/dev/null | cut -d \| -f 1 | grep -qw archipelago_dev; then
    echo -e "${GREEN}✓${NC} Development database 'archipelago_dev' exists"
else
    echo -e "${YELLOW}⚠${NC} Development database 'archipelago_dev' not found"
    echo -e "${YELLOW}  Run: createdb archipelago_dev${NC}"
fi

echo ""

# Check environment files
echo "Configuration:"
if [ -f "core/.env" ]; then
    echo -e "${GREEN}✓${NC} Backend .env file exists"
else
    echo -e "${YELLOW}⚠${NC} Backend .env file not found"
    echo -e "${YELLOW}  Copy: cp core/.env.example core/.env${NC}"
fi

if [ -f "neode-ui/.env" ]; then
    echo -e "${GREEN}✓${NC} Frontend .env file exists"
else
    echo -e "${YELLOW}⚠${NC} Frontend .env file not found"
    echo -e "${YELLOW}  Copy: cp neode-ui/.env.example neode-ui/.env${NC}"
fi

echo ""
echo "============================================"

if [ $ERRORS -eq 0 ]; then
    echo -e "${GREEN}✓ All required dependencies are installed!${NC}"
    echo ""
    echo "You can now start the project:"
    echo "  1. Terminal 1: cd core && cargo run --bin archipelago"
    echo "  2. Terminal 2: cd neode-ui && npm run dev"
    echo "  3. Open http://localhost:8100"
else
    echo -e "${RED}✗ $ERRORS required dependencies are missing${NC}"
    echo ""
    echo "Please install missing dependencies:"
    echo "  Run: ./INSTALL.sh"
    echo ""
    echo "Or follow the manual installation guide:"
    echo "  See: SETUP_GUIDE.md"
fi

echo "============================================"
echo ""

exit $ERRORS