#!/bin/bash
# Test the build cache environment without local Go installation
# This simulates the Gitea act runner environment

set -e

echo "🧪 Testing Build Cache Environment"
echo "=================================="
echo ""

# 1. Calculate dependency hash
echo "1. Calculating dependency hash..."
DEPS_HASH=$(./scripts/calculate-deps-hash.sh)
echo "✅ Dependency hash: $DEPS_HASH"
echo ""

# 2. Build the build cache image
echo "2. Building build cache image..."
if command -v docker >/dev/null 2>&1; then
    docker build -t dance-lessons-coach-build-cache:$DEPS_HASH -f docker/Dockerfile.build .
else
    echo "❌ Docker not found"
    exit 1
fi
echo "✅ Build cache image built: dance-lessons-coach-build-cache:$DEPS_HASH"
echo ""

# 3. Test Go environment inside the container
echo "3. Testing Go environment inside container..."
docker run --rm dance-lessons-coach-build-cache:$DEPS_HASH sh -c "go version"
docker run --rm dance-lessons-coach-build-cache:$DEPS_HASH sh -c "which swag"
echo "✅ Go and swag available in container"
echo ""

# 4. Test Swagger generation
echo "4. Testing Swagger generation..."
docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:$DEPS_HASH sh -c "cd pkg/server && go generate"
if [ -f "pkg/server/docs/swagger.json" ]; then
    echo "✅ Swagger documentation generated successfully"
else
    echo "❌ Swagger documentation generation failed"
    exit 1
fi
echo ""

# 5. Test Go build
echo "5. Testing Go build..."
docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:$DEPS_HASH sh -c "go build ./..."
echo "✅ Go build successful"
echo ""

# 6. Test Go test
echo "6. Testing Go test..."
docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:$DEPS_HASH sh -c "go test ./... -v"
echo "✅ Go tests passed"
echo ""

# 7. Test binary build
echo "7. Testing binary build..."
docker run --rm -v "$(pwd):/workspace" -w /workspace dance-lessons-coach-build-cache:$DEPS_HASH sh -c "go build -o /workspace/dance-lessons-coach ./cmd/server"
if [ -f "dance-lessons-coach" ]; then
    echo "✅ Binary built successfully"
    ls -la dance-lessons-coach
    rm dance-lessons-coach
else
    echo "❌ Binary build failed"
    exit 1
fi
echo ""

# 8. Test production Dockerfile with the cache
echo "8. Testing production Dockerfile..."
# First, let's create a temporary Dockerfile.prod with the correct hash
TEMP_DOCKERFILE="Dockerfile.prod.test"
cat > "$TEMP_DOCKERFILE" << EOF
# dance-lessons-coach Production Docker Image
# Minimal image using pre-built binary from CI cache

# Use the build cache image as base
FROM dance-lessons-coach-build-cache:$DEPS_HASH AS builder

# Final minimal image
FROM alpine:3.18

WORKDIR /app

# Install minimal dependencies
RUN apk add --no-cache ca-certificates tzdata

# Copy binary from builder
COPY --from=builder /workspace/dance-lessons-coach /app/dance-lessons-coach

# Copy configuration
COPY config.yaml /app/config.yaml

# Set permissions
RUN chmod +x /app/dance-lessons-coach

# Set timezone
ENV TZ=UTC

# Expose port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=3s \
    CMD wget -q --spider http://localhost:8080/api/health || exit 1

# Entry point
ENTRYPOINT ["/app/dance-lessons-coach"]
EOF

echo "✅ Created temporary production Dockerfile with correct hash"
echo ""

# 9. Build production image
echo "9. Building production image..."
docker build -t dance-lessons-coach-prod:$DEPS_HASH -f "$TEMP_DOCKERFILE" .
echo "✅ Production image built: dance-lessons-coach-prod:$DEPS_HASH"
echo ""

# 10. Test production image
echo "10. Testing production image..."
docker run -d -p 8081:8080 --name test-prod-container dance-lessons-coach-prod:$DEPS_HASH
sleep 5

# Test health endpoint
if curl -s http://localhost:8081/api/health | grep -q "healthy"; then
    echo "✅ Production container is healthy"
else
    echo "❌ Production container health check failed"
    docker logs test-prod-container
    docker stop test-prod-container
    docker rm test-prod-container
    rm "$TEMP_DOCKERFILE"
    exit 1
fi

# Test greet endpoint
if curl -s http://localhost:8081/api/v1/greet/ | grep -q "Hello"; then
    echo "✅ Production container greet endpoint working"
else
    echo "❌ Production container greet endpoint failed"
    docker logs test-prod-container
    docker stop test-prod-container
    docker rm test-prod-container
    rm "$TEMP_DOCKERFILE"
    exit 1
fi

echo "✅ Production container is working correctly"
echo ""

# Clean up
echo "11. Cleaning up..."
docker stop test-prod-container > /dev/null 2>&1 || true
docker rm test-prod-container > /dev/null 2>&1 || true
rm "$TEMP_DOCKERFILE"
echo "✅ Cleanup complete"
echo ""

echo "🎉 All tests passed!"
echo "==================="
echo ""
echo "✅ Build cache environment is working correctly"
echo "✅ All Go tools available in container"
echo "✅ Swagger generation works"
echo "✅ Go build and test work"
echo "✅ Production Dockerfile works with cache"
echo "✅ Production container runs successfully"
echo ""
echo "🚀 The build cache is ready for CI/CD use!"
echo ""
echo "💡 To use this in CI/CD:"
echo "  1. The build-cache job will build: dance-lessons-coach-build-cache:$DEPS_HASH"
echo "  2. The CI pipeline will use: docker run dance-lessons-coach-build-cache:$DEPS_HASH ..."
echo "  3. Production build will use: FROM dance-lessons-coach-build-cache:$DEPS_HASH AS builder"
echo ""
echo "📊 Dependency hash for this test: $DEPS_HASH"