#!/bin/bash

# Test DinD Setup Script
# This script verifies that the DinD container is properly configured
# and can perform the operations needed by the CI workflow

set -e

echo "🧪 Testing DinD Setup..."

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Function to print colored output
print_status() {
    local status=$1
    local message=$2
    if [ "$status" = "PASS" ]; then
        echo -e "${GREEN}✅ $message${NC}"
    elif [ "$status" = "FAIL" ]; then
        echo -e "${RED}❌ $message${NC}"
    else
        echo -e "${YELLOW}⚠️  $message${NC}"
    fi
}

# Test 1: Check if DinD container exists and is running
echo "1. Checking DinD container status..."
if docker ps --format "table {{.Names}}" | grep -q "^ci-dind$"; then
    print_status "PASS" "DinD container is running"
else
    print_status "FAIL" "DinD container is not running"
    echo "Starting DinD container..."
    docker run -d \
        --name ci-dind \
        --privileged \
        -p 2375:2375 \
        -e DOCKER_TLS_CERTDIR="" \
        docker:dind
    
    # Wait for DinD to be ready
    echo "Waiting for DinD to be ready..."
    timeout 60 bash -c 'until docker exec ci-dind docker version; do sleep 2; done'
    print_status "PASS" "DinD container started successfully"
fi

# Test 2: Check Docker functionality inside DinD
echo "2. Testing Docker functionality inside DinD..."
if docker exec ci-dind docker version > /dev/null 2>&1; then
    print_status "PASS" "Docker is working inside DinD"
else
    print_status "FAIL" "Docker is not working inside DinD"
    exit 1
fi

# Test 3: Check if Harbor certificate is installed
echo "3. Checking Harbor certificate installation..."
if docker exec ci-dind test -f /usr/local/share/ca-certificates/registry.crt; then
    print_status "PASS" "Harbor certificate is installed"
else
    print_status "WARN" "Harbor certificate not found - will be installed during CI run"
fi

# Test 4: Test git functionality inside DinD
echo "4. Testing git functionality inside DinD..."
if docker exec ci-dind git --version > /dev/null 2>&1; then
    print_status "PASS" "Git is available inside DinD"
else
    print_status "FAIL" "Git is not available inside DinD"
    echo "Installing git in DinD..."
    docker exec ci-dind apk add --no-cache git
    print_status "PASS" "Git installed successfully"
fi

# Test 5: Test workspace directory
echo "5. Testing workspace directory..."
if docker exec ci-dind test -d /workspace; then
    print_status "PASS" "Workspace directory exists"
else
    print_status "WARN" "Workspace directory does not exist - will be created during CI run"
fi

# Test 6: Test basic Docker operations
echo "6. Testing basic Docker operations..."
if docker exec ci-dind docker run --rm alpine:latest echo "test" > /dev/null 2>&1; then
    print_status "PASS" "Basic Docker operations work"
else
    print_status "FAIL" "Basic Docker operations failed"
    exit 1
fi

# Test 7: Test Docker Compose
echo "7. Testing Docker Compose..."
if docker exec ci-dind docker compose version > /dev/null 2>&1; then
    print_status "PASS" "Docker Compose is available"
else
    print_status "FAIL" "Docker Compose is not available"
    exit 1
fi

echo ""
echo "🎉 DinD Setup Test Complete!"
echo ""
echo "If all tests passed, your DinD environment is ready for CI/CD operations."
echo "The CI workflow will:"
echo "  1. Checkout code directly into the DinD container from your Forgejo repository"
echo "  2. Run tests in isolated containers"
echo "  3. Build and push images to Harbor"
echo ""
echo "To run the CI workflow, push changes to your main branch."