# Multi-stage Dockerfile for Flamenco development environment
# Supports development with hot-reloading and production builds

# =============================================================================
# Base stage with common dependencies
# =============================================================================
FROM golang:1.24-alpine AS base

# Install system dependencies
RUN apk add --no-cache \
    git \
    make \
    nodejs \
    npm \
    yarn \
    openjdk11-jre-headless \
    sqlite \
    bash \
    curl \
    ca-certificates \
    python3 \
    python3-dev \
    py3-pip

# Set Go environment
ENV CGO_ENABLED=0
ENV GOPROXY=https://proxy.golang.org,direct
ENV GOSUMDB=sum.golang.org

# Create app directory
WORKDIR /app

# =============================================================================
# Dependencies stage - Install and cache dependencies
# =============================================================================
FROM base AS deps

# Copy dependency files
COPY go.mod go.sum ./
COPY web/app/package.json web/app/yarn.lock ./web/app/
COPY addon/pyproject.toml addon/poetry.lock* ./addon/

# Download Go dependencies
RUN go mod download

# Install Node.js dependencies
WORKDIR /app/web/app
RUN yarn install --frozen-lockfile

# Install Python dependencies for add-on development
WORKDIR /app/addon
RUN pip3 install --no-cache-dir --break-system-packages uv
RUN uv sync --no-dev || true

WORKDIR /app

# =============================================================================
# Build tools stage - Install Flamenco build tools
# =============================================================================
FROM deps AS build-tools

# Copy source files needed for build tools
COPY . ./

# Install build dependencies and compile mage
RUN go run mage.go -compile ./mage && chmod +x ./magefiles/mage && cp ./magefiles/mage ./mage

# Install Flamenco generators
RUN ./mage installGenerators || go run mage.go installDeps

# =============================================================================
# Development stage - Full development environment
# =============================================================================
FROM build-tools AS development

# Install development tools (compatible with Go 1.24)
RUN go install github.com/air-verse/air@v1.52.3
RUN go install github.com/githubnemo/CompileDaemon@latest

# Copy mage binary from build-tools stage
COPY --from=build-tools /app/mage ./mage

# Copy full source code
COPY . .

# Warm build cache for better performance
RUN ./mage cacheStatus || echo "No cache yet"

# Use optimized build with caching and parallelization
RUN ./mage buildOptimized || ./mage build

# Show cache status after build
RUN ./mage cacheStatus || echo "Cache status unavailable"

# Copy binaries to /usr/local/bin to avoid mount override
RUN cp flamenco-manager /usr/local/bin/ && cp flamenco-worker /usr/local/bin/ && cp mage /usr/local/bin/

# Expose ports
EXPOSE 8080 8081 8082

# Development command with hot-reloading
CMD ["./mage", "devServer"]

# =============================================================================
# Builder stage - Build production binaries
# =============================================================================
FROM build-tools AS builder

# Copy source code
COPY . .

# Use optimized build for production binaries
RUN ./mage buildOptimized

# Verify binaries exist
RUN ls -la flamenco-manager flamenco-worker

# =============================================================================
# Production stage - Minimal runtime image
# =============================================================================
FROM alpine:latest AS production

# Install runtime dependencies
RUN apk add --no-cache \
    ca-certificates \
    sqlite \
    tzdata

# Create flamenco user
RUN addgroup -g 1000 flamenco && \
    adduser -D -s /bin/sh -u 1000 -G flamenco flamenco

# Create directories
RUN mkdir -p /app /data /shared-storage && \
    chown -R flamenco:flamenco /app /data /shared-storage

# Copy binaries from builder
COPY --from=builder /app/flamenco-manager /app/flamenco-worker /app/
COPY --from=builder /app/web/static /app/web/static

# Set ownership
RUN chown -R flamenco:flamenco /app

USER flamenco
WORKDIR /app

# Default to manager, can be overridden
CMD ["./flamenco-manager"]

# =============================================================================
# Test stage - For running tests in CI
# =============================================================================
FROM build-tools AS test

COPY . .
RUN ./mage generate
RUN ./mage check

# =============================================================================
# Tools stage - Development utilities
# =============================================================================
FROM base AS tools

# Install additional development tools
RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
RUN go install github.com/pressly/goose/v3/cmd/goose@latest
RUN go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest

CMD ["/bin/bash"]