#!/bin/bash
# Enable Gitea Container Registry
# This script configures Gitea to support Docker container registry

set -e

REMOTE_HOST="deploy@141.136.35.199"
GITEA_PATH="/opt/compose/gitea"

echo "🔧 Enabling Gitea Container Registry..."

# Step 1: Add packages configuration to Gitea
echo "📝 Step 1: Configuring Gitea packages..."

ssh $REMOTE_HOST << 'EOF'
# Create custom configuration directory if it doesn't exist
sudo mkdir -p /opt/compose/gitea/custom/conf

# Create or update custom app.ini with packages enabled
sudo tee /opt/compose/gitea/custom/conf/app.ini > /dev/null << 'GITEA_CONFIG'
[packages]
ENABLED = true
CHUNKED_UPLOAD_PATH = /data/gitea/tmp/package-upload

[packages.container]
ENABLED = true
GITEA_CONFIG

echo "✅ Gitea configuration created"
EOF

# Step 2: Update Gitea compose file to mount custom config and add registry labels
echo "📝 Step 2: Updating Gitea compose file..."

ssh $REMOTE_HOST << 'EOF'
cd /opt/compose/gitea

# Backup current compose file
sudo cp compose.yaml compose.yaml.backup

# Create updated compose file with registry support
sudo tee compose.yaml > /dev/null << 'COMPOSE_FILE'
---
services:
  server:
    image: docker.io/gitea/gitea:1.24.5
    container_name: gitea-server
    env_file:
      - ./.env
    environment:
      - USER_UID=1000
      - USER_GID=1000
      - GITEA__database__DB_TYPE=postgres
      - GITEA__database__HOST=${POSTGRES_HOST:-db}:${POSTGRES_PORT:-5432}
      - GITEA__database__NAME=${POSTGRES_DB:-gitea}
      - GITEA__database__USER=${POSTGRES_USER:-gitea}
      - GITEA__database__PASSWD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
      - GITEA__server__SSH_PORT=2221
      - GITEA__server__ROOT_URL=https://gitea.harkon.co.uk
      - GITEA__packages__ENABLED=true
      - GITEA__packages__CHUNKED_UPLOAD_PATH=/data/gitea/tmp/package-upload
    networks:
      - frontend
      - backend
    volumes:
      - gitea-data:/data
      - ./custom/conf/app.ini:/data/gitea/conf/app.ini.custom:ro
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro
    ports:
      - "2221:22"
    depends_on:
      - db
    labels:
      # Main Gitea web interface
      - traefik.enable=true
      - traefik.http.services.gitea.loadbalancer.server.port=3000
      - traefik.http.services.gitea.loadbalancer.server.scheme=http
      - traefik.http.routers.gitea-https.entrypoints=websecure
      - traefik.http.routers.gitea-https.rule=Host(`gitea.harkon.co.uk`)
      - traefik.http.routers.gitea-https.tls=true
      - traefik.http.routers.gitea-https.tls.certresolver=godaddy
      - traefik.http.routers.gitea-https.service=gitea
      # Container Registry (same port, different subdomain)
      - traefik.http.routers.gitea-registry.entrypoints=websecure
      - traefik.http.routers.gitea-registry.rule=Host(`registry.harkon.co.uk`)
      - traefik.http.routers.gitea-registry.tls=true
      - traefik.http.routers.gitea-registry.tls.certresolver=godaddy
      - traefik.http.routers.gitea-registry.service=gitea
    restart: unless-stopped

  db:
    image: docker.io/library/postgres:17.5
    container_name: gitea-db
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-gitea}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD not set}
      - POSTGRES_DB=${POSTGRES_DB:-gitea}
    networks:
      - backend
    volumes:
      - gitea-db:/var/lib/postgresql/data
    restart: unless-stopped

volumes:
  gitea-data:
    driver: local
  gitea-db:
    driver: local

networks:
  frontend:
    external: true
  backend:
    external: true
COMPOSE_FILE

echo "✅ Gitea compose file updated"
EOF

# Step 3: Restart Gitea to apply changes
echo "📝 Step 3: Restarting Gitea..."

ssh $REMOTE_HOST << 'EOF'
cd /opt/compose/gitea
docker compose down
docker compose up -d

echo "⏳ Waiting for Gitea to start..."
sleep 15

echo "✅ Gitea restarted"
EOF

echo ""
echo "✅ Gitea Container Registry enabled successfully!"
echo ""
echo "📋 Next steps:"
echo "1. Verify DNS: dig registry.harkon.co.uk (should point to 141.136.35.199)"
echo "2. Wait for SSL certificate (Traefik will auto-generate)"
echo "3. Create Gitea access token:"
echo "   - Login to https://gitea.harkon.co.uk"
echo "   - Settings → Applications → Generate New Token"
echo "   - Select scope: write:package"
echo "4. Login to registry:"
echo "   docker login registry.harkon.co.uk"
echo "   Username: <your-gitea-username>"
echo "   Password: <your-access-token>"
echo ""
echo "🔍 Check Gitea logs:"
echo "   ssh deploy@141.136.35.199 'docker logs gitea-server'"