#!/bin/bash

# ============================================================================
# CONFIGURATION - Modify these for your project
# ============================================================================

# Docker registry and image name
DOCKER_REPO="docker.site.quack-lab.dev"
IMAGE_NAME="nginx-cache-proxy"

# ============================================================================
# VALIDATE CONFIGURATION
# ============================================================================

echo "Validating nginx configuration..."
docker run --rm -v "$(pwd)/nginx.conf:/etc/nginx/nginx.conf:ro" nginx:alpine nginx -t

if [ $? -ne 0 ]; then
    echo "Error validating nginx configuration"
    exit 1
fi

# ============================================================================
# DOCKER BUILD AND TAG
# ============================================================================

COMMIT_SHA=$(git rev-parse --short HEAD)
IMAGE_BASE="${DOCKER_REPO}/${IMAGE_NAME}"

echo ""
echo "Building Docker image..."
docker build -t "${IMAGE_BASE}:${COMMIT_SHA}" .

if [ $? -ne 0 ]; then
    echo "Error building nginx-cache-proxy Docker image"
    exit 1
fi

echo "Tagging as latest..."
docker tag "${IMAGE_BASE}:${COMMIT_SHA}" "${IMAGE_BASE}:latest"

TAGS=$(git tag --points-at HEAD)
if [ -n "$TAGS" ]; then
    echo "Found tags on current commit:"
    while IFS= read -r tag; do
        if [ -n "$tag" ]; then
            echo "Tagging as ${tag}..."
            docker tag "${IMAGE_BASE}:${COMMIT_SHA}" "${IMAGE_BASE}:${tag}"
        fi
    done <<< "$TAGS"
fi

# ============================================================================
# PUSH IMAGES
# ============================================================================

echo ""
echo "Pushing Docker images..."
docker push "${IMAGE_BASE}:${COMMIT_SHA}"
docker push "${IMAGE_BASE}:latest"

if [ -n "$TAGS" ]; then
    while IFS= read -r tag; do
        if [ -n "$tag" ]; then
            docker push "${IMAGE_BASE}:${tag}"
        fi
    done <<< "$TAGS"
fi

# ============================================================================
# SUMMARY
# ============================================================================

echo ""
echo "Build complete! Image pushed as:"
echo "  - ${IMAGE_BASE}:${COMMIT_SHA}"
echo "  - ${IMAGE_BASE}:latest"
if [ -n "$TAGS" ]; then
    while IFS= read -r tag; do
        if [ -n "$tag" ]; then
            echo "  - ${IMAGE_BASE}:${tag}"
        fi
    done <<< "$TAGS"
fi