name: Release & Deploy

on:
  schedule:
    - cron: '0 * * * *'
  workflow_dispatch:

env:
  GITEA_URL: https://git.example.com
  REGISTRY: git.example.com
  DEPLOY_SCRIPT: /home/user/deploy/deploy.sh
  IMAGE_NAME: newsarchiver

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repo
        run: |
          rm -rf $GITHUB_WORKSPACE/*
          git clone --depth 1 $GITEA_URL/$GITHUB_REPOSITORY $GITHUB_WORKSPACE
          git -C $GITHUB_WORKSPACE checkout main

      - name: Read version
        id: version
        run: |
          python3 -c "
          import json, sys
          with open('version.json') as f:
              v = json.load(f)
          patch_padded = f\"{v['patch']:03d}\"
          full = f\"{v['major']}.{v['minor']}.{patch_padded}\"
          with open('$GITHUB_OUTPUT', 'a') as out:
              out.write(f'version={full}\n')
          print(f'Current version: {full}')
          "

      - name: Check if deploy needed
        id: check
        run: |
          VERSION_FILE="/home/user/deploy/deployed/newsarchiver.version"
          CURRENT_VERSION="${{ steps.version.outputs.version }}"
          if [ -f "$VERSION_FILE" ]; then
            DEPLOYED_VERSION=$(cat "$VERSION_FILE" | cut -d: -f2)
            echo "Deployed: $DEPLOYED_VERSION"
            if [ "$CURRENT_VERSION" = "$DEPLOYED_VERSION" ]; then
              echo "skip=true" >> $GITHUB_OUTPUT
              echo "No new version to deploy"
              exit 0
            fi
          fi
          echo "skip=false" >> $GITHUB_OUTPUT

      - name: Bump patch version
        if: steps.check.outputs.skip != 'true'
        id: bump
        run: |
          python3 -c "
          import json
          with open('version.json') as f:
              v = json.load(f)
          v['patch'] += 1
          patch_padded = f\"{v['patch']:03d}\"
          full = f\"{v['major']}.{v['minor']}.{patch_padded}\"
          with open('version.json', 'w') as f:
              json.dump(v, f, indent=2)
          print(f'version={full}')
          print(f'::set-output name=release_version::{full}')
          print(f'Bumped to {full}')
          "

          git config user.email "bot@example.com"
          git config user.name "CI Release Bot"
          git add version.json
          git commit -m "release: bump to ${{ steps.bump.outputs.release_version }}"
          git push origin main

          git tag -a "v${{ steps.bump.outputs.release_version }}" -m "release: ${{ steps.bump.outputs.release_version }}"
          git push origin "v${{ steps.bump.outputs.release_version }}"

      - name: Login to Gitea Registry
        if: steps.check.outputs.skip != 'true'
        run: |
          echo "REDACTED" | docker login --username jarianc --password-stdin ${{ env.REGISTRY }}

      - name: Build & Push to Registry
        if: steps.check.outputs.skip != 'true'
        id: build
        run: |
          TAG="${{ steps.bump.outputs.release_version }}"
          REGISTRY_IMAGE="${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${TAG}"
          LATEST_IMAGE="${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest"

          docker build -t "$REGISTRY_IMAGE" .
          docker tag "$REGISTRY_IMAGE" "$LATEST_IMAGE"

          docker push "$REGISTRY_IMAGE"
          docker push "$LATEST_IMAGE"

          echo "registry_image=$REGISTRY_IMAGE" >> $GITHUB_OUTPUT

      - name: Deploy
        if: steps.check.outputs.skip != 'true'
        run: |
          REGISTRY_IMAGE="${{ steps.build.outputs.registry_image }}"
          bash "$DEPLOY_SCRIPT" newsarchiver "$REGISTRY_IMAGE" "http://127.0.0.1:5000/"