# Multi-stage build for Pixelfed - optimized base image
FROM php:8.3-fpm-alpine AS builder

LABEL org.opencontainers.image.title="Pixelfed Base" \
      org.opencontainers.image.description="Shared base image for Pixelfed photo sharing platform" \
      org.opencontainers.image.source="https://github.com/pixelfed/pixelfed" \
      org.opencontainers.image.vendor="Keyboard Vagabond"

# Set environment variables
ENV PIXELFED_VERSION=v0.12.6
ENV TZ=UTC
ENV APP_ENV=production
ENV APP_DEBUG=false

# Install build dependencies in a single layer
RUN apk add --no-cache \
        ca-certificates \
        git \
        curl \
        zip \
        unzip \
        # Build dependencies for PHP extensions
        libpng-dev \
        oniguruma-dev \
        libxml2-dev \
        freetype-dev \
        libjpeg-turbo-dev \
        libzip-dev \
        postgresql-dev \
        icu-dev \
        gettext-dev \
        imagemagick-dev \
        # Node.js for asset compilation
        nodejs \
        npm \
        # Build tools
        build-base \
        autoconf \
        pkgconfig \
        $PHPIZE_DEPS

# Install PHP extensions (done ONCE - will be copied to runtime stage)
RUN docker-php-ext-configure gd --with-freetype --with-jpeg \
    && docker-php-ext-install -j$(nproc) \
        pdo_pgsql \
        pgsql \
        gd \
        zip \
        intl \
        bcmath \
        exif \
        pcntl \
        opcache \
    # Build imagick from source for PHP 8.3 compatibility
    && git clone https://github.com/Imagick/imagick.git --depth 1 -b master /tmp/imagick \
    && cd /tmp/imagick \
    && phpize \
    && ./configure \
    && make \
    && make install \
    && docker-php-ext-enable imagick \
    && rm -rf /tmp/imagick

# Install Composer
COPY --from=composer:2 /usr/bin/composer /usr/bin/composer

# Set working directory
WORKDIR /var/www/pixelfed

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

# Clone Pixelfed source
RUN git clone --depth 1 --branch ${PIXELFED_VERSION} https://github.com/pixelfed/pixelfed.git . \
    && chown -R pixelfed:pixelfed /var/www/pixelfed

# Switch to pixelfed user for dependency installation
USER pixelfed

# Install PHP dependencies and clear any cached Laravel configuration
RUN composer install --no-dev --optimize-autoloader --no-interaction \
    && php artisan config:clear || true \
    && php artisan route:clear || true \
    && php artisan view:clear || true \
    && php artisan cache:clear || true \
    && rm -f bootstrap/cache/packages.php bootstrap/cache/services.php || true \
    && php artisan package:discover --ansi || true

# Build frontend assets (skip post-install scripts to avoid node-datachannel compilation)
RUN echo "ignore-scripts=true" > .npmrc \
    && npm ci \
    && npm run production \
    && rm -rf node_modules .npmrc

# Switch back to root for final setup
USER root

# ================================
# Runtime stage - optimized final image
# ================================
FROM php:8.3-fpm-alpine AS pixelfed-base

LABEL org.opencontainers.image.title="Pixelfed Base" \
      org.opencontainers.image.description="Shared base image for Pixelfed photo sharing platform" \
      org.opencontainers.image.source="https://github.com/pixelfed/pixelfed" \
      org.opencontainers.image.vendor="Keyboard Vagabond"

# Set environment variables
ENV TZ=UTC
ENV APP_ENV=production
ENV APP_DEBUG=false

# Install only runtime dependencies (no -dev packages, no build tools)
RUN apk add --no-cache \
        ca-certificates \
        curl \
        su-exec \
        dcron \
        # Runtime libraries for PHP extensions
        libpng \
        oniguruma \
        libxml2 \
        freetype \
        libjpeg-turbo \
        libzip \
        libpq \
        icu-libs \
        gettext \
        # ImageMagick runtime libraries
        imagemagick \
        imagemagick-libs \
        # Image optimization tools (required by Pixelfed)
        jpegoptim \
        optipng \
        pngquant \
        gifsicle \
        # FFmpeg for video thumbnails (required by Pixelfed)
        ffmpeg \
    && rm -rf /var/cache/apk/*

# Copy PHP extensions from builder (KEY OPTIMIZATION - no recompilation!)
COPY --from=builder /usr/local/lib/php/extensions/ /usr/local/lib/php/extensions/
COPY --from=builder /usr/local/etc/php/conf.d/ /usr/local/etc/php/conf.d/

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

# Set working directory
WORKDIR /var/www/pixelfed

# Copy application from builder (source + compiled assets + vendor dependencies)
COPY --from=builder --chown=pixelfed:pixelfed /var/www/pixelfed /var/www/pixelfed

# Copy custom assets (logo, banners, etc.) to override defaults
COPY --chown=pixelfed:pixelfed custom-assets/img/*.svg /var/www/pixelfed/public/img/

# Clear any cached configuration files and set proper permissions
RUN rm -rf /var/www/pixelfed/bootstrap/cache/*.php || true \
    && chmod -R 755 /var/www/pixelfed/storage \
    && chmod -R 755 /var/www/pixelfed/bootstrap/cache \
    && chown -R pixelfed:pixelfed /var/www/pixelfed/bootstrap/cache

# Configure PHP OPcache for production performance
RUN { \
        echo "opcache.enable=1"; \
        echo "opcache.revalidate_freq=0"; \
        echo "opcache.validate_timestamps=0"; \
        echo "opcache.max_accelerated_files=10000"; \
        echo "opcache.memory_consumption=192"; \
        echo "opcache.max_wasted_percentage=10"; \
        echo "opcache.interned_strings_buffer=16"; \
        echo "opcache.fast_shutdown=1"; \
    } >> /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini

# Copy shared entrypoint utilities
COPY entrypoint-common.sh /usr/local/bin/entrypoint-common.sh
RUN chmod +x /usr/local/bin/entrypoint-common.sh