# Multi-stage Dockerfile for all FromChat microservices
# This combines the base image and all services in one file

# Base stage - common setup for all services
FROM python:3.11-slim AS base

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libpq5 \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd --create-home --shell /bin/bash fromchat

# Set working directory
WORKDIR /app

# Create logs and data directories with proper permissions
RUN mkdir -p /app/backend/logs /app/backend/data /app/backend/data/profanity /app/backend/data/uploads /app/backend/data/uploads/pfp && \
    chown -R fromchat:fromchat /app/backend/logs /app/backend/data && \
    chmod -R 755 /app/backend/logs /app/backend/data

# Copy requirements first for better caching
COPY backend/requirements.txt /app/requirements.txt

# Install Python dependencies with cache mounts
RUN --mount=type=cache,target=/home/fromchat/.cache/pip \
    pip install --no-cache-dir -r requirements.txt

# Copy shared modules
COPY backend/shared /app/backend/shared/

# Copy entrypoint script
COPY docker/entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

# Switch to non-root user
USER fromchat

# Set entrypoint
ENTRYPOINT ["/app/entrypoint.sh"]

# Account service - minimal files only
FROM base AS account_service
COPY backend/routes/account.py /app/backend/routes/account.py
COPY backend/security /app/backend/security/
COPY backend/logging_config.py /app/backend/logging_config.py
COPY backend/services/account/main.py /app/backend/services/account/main.py
ENV SERVICE_NAME=account

# Profile service - minimal files only
FROM base AS profile_service
COPY backend/routes/profile.py /app/backend/routes/profile.py
COPY backend/routes/messaging.py /app/backend/routes/messaging.py
COPY backend/push_service.py /app/backend/push_service.py
COPY backend/security /app/backend/security/
COPY backend/logging_config.py /app/backend/logging_config.py
COPY backend/websocket /app/backend/websocket/
COPY backend/similarity.py /app/backend/similarity.py
COPY backend/services/profile/main.py /app/backend/services/profile/main.py
ENV SERVICE_NAME=profile

# Device service - minimal files only
FROM base AS device_service
COPY backend/routes/devices.py /app/backend/routes/devices.py
COPY backend/services/device/main.py /app/backend/services/device/main.py
ENV SERVICE_NAME=device

# Messaging service - minimal files only
FROM base AS messaging_service
COPY backend/routes/messaging.py /app/backend/routes/messaging.py
COPY backend/push_service.py /app/backend/push_service.py
COPY backend/security /app/backend/security/
COPY backend/logging_config.py /app/backend/logging_config.py
COPY backend/websocket /app/backend/websocket/
COPY backend/services/messaging/main.py /app/backend/services/messaging/main.py
ENV SERVICE_NAME=messaging

# Push service - minimal files only
FROM base AS push_service
COPY backend/routes/push.py /app/backend/routes/push.py
COPY backend/push_service.py /app/backend/push_service.py
COPY backend/services/push/main.py /app/backend/services/push/main.py
ENV SERVICE_NAME=push

# WebRTC service - minimal files only
FROM base AS webrtc_service
COPY backend/routes/webrtc.py /app/backend/routes/webrtc.py
COPY backend/services/webrtc/main.py /app/backend/services/webrtc/main.py
ENV SERVICE_NAME=webrtc

# Moderation service - minimal files only
FROM base AS moderation_service
COPY backend/routes/moderation.py /app/backend/routes/moderation.py
COPY backend/security /app/backend/security/
COPY backend/similarity.py /app/backend/similarity.py
COPY backend/logging_config.py /app/backend/logging_config.py
COPY backend/services/moderation/main.py /app/backend/services/moderation/main.py
ENV SERVICE_NAME=moderation

# Gateway service - minimal files only
FROM base AS gateway
COPY backend/app.py /app/backend/app.py
COPY backend/main.py /app/backend/main.py
COPY backend/dependencies.py /app/backend/dependencies.py
COPY backend/security /app/backend/security/
COPY backend/services/gateway/main.py /app/backend/services/gateway/main.py
ENV SERVICE_NAME=gateway

# Migration runner - needs alembic config and migration files
FROM base AS migration_runner
# Temporarily switch back to root to manage file permissions
USER root
COPY backend/alembic.ini /app/backend/alembic.ini
COPY backend/alembic /app/backend/alembic/
COPY backend/migration.py /app/backend/migration.py
COPY backend/services/migration_runner/main.py /app/backend/services/migration_runner/main.py
# Clean up problematic migrations as root
RUN find /app/backend/alembic/versions -name "*auto_generated_migration_for_schema_*" | xargs rm -f || true
# Switch back to fromchat user
USER fromchat
ENV SERVICE_NAME=migration_runner