name: Deploy

on:
  push:
    tags:
      - 'v*'

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Get full git history for checking file changes

      - name: Get previous tag
        id: previoustag
        run: |
          echo "tag=$(git describe --tags --abbrev=0 HEAD^)" >> $GITHUB_OUTPUT
        continue-on-error: true  # Allow failure if this is the first tag

      - name: Setup pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 9

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'pnpm'

      - name: Install Dependencies
        run: pnpm install --frozen-lockfile

      # Check if database migrations have changes
      - name: Check migrations changes
        id: check_migrations
        run: |
          # If this is the first tag, we need to run migrations
          if [ -z "${{ steps.previoustag.outputs.tag }}" ]; then
            echo "migrations_changed=true" >> $GITHUB_OUTPUT
          else
            # Check if any files in drizzle directory have changed
            if git diff ${{ steps.previoustag.outputs.tag }}..HEAD --name-only | grep -q "^drizzle/"; then
              echo "migrations_changed=true" >> $GITHUB_OUTPUT
            else
              echo "migrations_changed=false" >> $GITHUB_OUTPUT
            fi
          fi

      # Process configuration files
      - name: Process configuration files
        run: |
          # Process wrangler.example.toml
          if [ -f wrangler.example.toml ]; then
            cp wrangler.example.toml wrangler.toml
            sed -i "s/database_name = \".*\"/database_name = \"${{ secrets.DATABASE_NAME }}\"/" wrangler.toml
            sed -i "s/database_id = \".*\"/database_id = \"${{ secrets.DATABASE_ID }}\"/" wrangler.toml
          fi
          
          # Process wrangler.email.example.toml
          if [ -f wrangler.email.example.toml ]; then
            cp wrangler.email.example.toml wrangler.email.toml
            sed -i "s/database_name = \".*\"/database_name = \"${{ secrets.DATABASE_NAME }}\"/" wrangler.email.toml
            sed -i "s/database_id = \".*\"/database_id = \"${{ secrets.DATABASE_ID }}\"/" wrangler.email.toml
          fi
          
          # Process wrangler.cleanup.example.toml
          if [ -f wrangler.cleanup.example.toml ]; then
            cp wrangler.cleanup.example.toml wrangler.cleanup.toml
            sed -i "s/database_name = \".*\"/database_name = \"${{ secrets.DATABASE_NAME }}\"/" wrangler.cleanup.toml
            sed -i "s/database_id = \".*\"/database_id = \"${{ secrets.DATABASE_ID }}\"/" wrangler.cleanup.toml
          fi

      # Run database migrations if needed
      - name: Run database migrations
        if: steps.check_migrations.outputs.migrations_changed == 'true'
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        run: pnpm db:migrate-remote

      # Check if workers have changes
      - name: Check workers changes
        id: check_changes
        run: |
          # If this is the first tag, check all files
          if [ -z "${{ steps.previoustag.outputs.tag }}" ]; then
            if git ls-files | grep -q "workers/email-receiver.ts"; then
              echo "email_worker_changed=true" >> $GITHUB_OUTPUT
            else
              echo "email_worker_changed=false" >> $GITHUB_OUTPUT
            fi
            if git ls-files | grep -q "workers/cleanup.ts"; then
              echo "cleanup_worker_changed=true" >> $GITHUB_OUTPUT
            else
              echo "cleanup_worker_changed=false" >> $GITHUB_OUTPUT
            fi
          else
            # Compare changes between two tags
            if git diff ${{ steps.previoustag.outputs.tag }}..HEAD --name-only | grep -q "workers/email-receiver.ts"; then
              echo "email_worker_changed=true" >> $GITHUB_OUTPUT
            else
              echo "email_worker_changed=false" >> $GITHUB_OUTPUT
            fi
            if git diff ${{ steps.previoustag.outputs.tag }}..HEAD --name-only | grep -q "workers/cleanup.ts"; then
              echo "cleanup_worker_changed=true" >> $GITHUB_OUTPUT
            else
              echo "cleanup_worker_changed=false" >> $GITHUB_OUTPUT
            fi
          fi

      # Deploy Pages application
      - name: Deploy Pages
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          NEXT_PUBLIC_EMAIL_DOMAIN: ${{ secrets.NEXT_PUBLIC_EMAIL_DOMAIN }}
        run: pnpm run deploy:pages

      # Deploy email worker if changed
      - name: Deploy Email Worker
        if: steps.check_changes.outputs.email_worker_changed == 'true'
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        run: pnpm run deploy:email

      # Deploy cleanup worker if changed
      - name: Deploy Cleanup Worker
        if: steps.check_changes.outputs.cleanup_worker_changed == 'true'
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        run: pnpm run deploy:cleanup