# =============================================================================
# Stage 1: Dependencies
# Install only production dependencies for optimal layer caching
# =============================================================================
FROM oven/bun:1-slim AS dependencies

WORKDIR /app

# Copy workspace configuration
COPY package.json bun.lock ./

# Copy all package.json files to establish workspace structure
COPY packages/core/package.json ./packages/core/
COPY packages/api-server/package.json ./packages/api-server/
COPY packages/mcp-server/package.json ./packages/mcp-server/

# Install dependencies with frozen lockfile (production only)
RUN bun install --frozen-lockfile --production

# =============================================================================
# Stage 2: Build
# Build both services with minification for production
# =============================================================================
FROM oven/bun:1-slim AS build

WORKDIR /app

# Copy workspace configuration
COPY package.json bun.lock ./

# Copy all package.json files
COPY packages/core/package.json ./packages/core/
COPY packages/api-server/package.json ./packages/api-server/
COPY packages/mcp-server/package.json ./packages/mcp-server/

# Install ALL dependencies (including devDependencies for TypeScript)
RUN bun install --frozen-lockfile

# Copy source code for all packages
COPY packages/core ./packages/core
COPY packages/api-server ./packages/api-server
COPY packages/mcp-server ./packages/mcp-server

# Build both services with minification
# Output: dist/api/index.js and dist/mcp/index.js
RUN bun build ./packages/api-server/src/index.ts \
    --target=bun \
    --outdir=./dist/api \
    --minify && \
    bun build ./packages/mcp-server/src/index.ts \
    --target=bun \
    --outdir=./dist/mcp \
    --minify

# =============================================================================
# Stage 3: Runtime
# Minimal production image with both services
# =============================================================================
FROM oven/bun:1-slim AS runtime

WORKDIR /app

# Copy production dependencies from dependencies stage
COPY --from=dependencies /app/node_modules ./node_modules

# Copy built artifacts from build stage
COPY --from=build /app/dist ./dist

# Create cookies directory (will be mounted as volume at runtime)
# This ensures the directory exists even if volume is not mounted
RUN mkdir -p /app/cookies && \
    chown -R bun:bun /app/cookies

# Create startup script that runs both services
# Uses Bun's built-in capabilities for process management
RUN cat > /app/start.sh << 'EOF'
#!/bin/bash
set -e

# Trap SIGTERM and SIGINT for graceful shutdown
trap 'echo "Received shutdown signal, stopping services..."; kill -TERM $API_PID $MCP_PID 2>/dev/null; wait' TERM INT

# Start API Server in background
echo "Starting API Server on port ${API_PORT:-4005}..."
bun /app/dist/api/index.js &
API_PID=$!

# Give API server a moment to initialize
sleep 1

# Start MCP Server in background
echo "Starting MCP Server on port ${API_PORT:-4006}..."
bun /app/dist/mcp/index.js &
MCP_PID=$!

echo "Both services started successfully"
echo "API Server PID: $API_PID"
echo "MCP Server PID: $MCP_PID"

# Wait for both processes
wait $API_PID $MCP_PID
EOF

RUN chmod +x /app/start.sh

# Expose both service ports
# API Server: 4005 (default), MCP Server: 4006 (default)
EXPOSE 4005 4006

# Environment variables for port configuration
ENV PORT=4005
ENV MCP_PORT=4006

# Volume mount point for cookies
# Mount your cookies directory here: -v /path/to/cookies:/app/cookies
VOLUME ["/app/cookies"]

# Health check that verifies both services are responding
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD bun -e "Promise.all([fetch('http://localhost:${PORT}/api/status'),fetch('http://localhost:${MCP_PORT}/.well-known/mcp/server-card.json')]).then(r=>process.exit(0)).catch(()=>process.exit(1))"

# Run the startup script
CMD ["/app/start.sh"]