name: Build & Publish Artifact
on:
  workflow_call:
    inputs:
      env_json:
        required: true
        type: string
      bats-image:
        required: true
        type: string
      cucumber-node-image:
        required: true
        type: string
    secrets:
      GITEA_TOKEN:
        required: true
      GIT_PAGES_PUBLISH_TOKEN:
        required: true

env:
  GITEA_API_URL: ${{ fromJson(inputs.env_json).GITEA_API_URL }}
  GIT_PAGES_URL: ${{ fromJson(inputs.env_json).GIT_PAGES_URL }}
  GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
  GIT_PAGES_PUBLISH_TOKEN: ${{ secrets.GIT_PAGES_PUBLISH_TOKEN }}
  REPO: ${{ github.repository }}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      artifact_exists: ${{ steps.check.outputs.artifact_exists }}
      next_version: ${{ steps.check.outputs.next_version }}
    steps:
      - uses: actions/checkout@v4

      - name: Set Gitea status to PENDING
        run: |
          echo "===== gitea-ci-library - Check existing artifact | begin ====="
          bash scripts/report-status.sh pending "Checking version..." ci-check

      - name: Check existing artifact and calculate version
        id: check
        run: |
          RAW_VERSION=$(jq -r '.version' package.json)
          BASE_VERSION=$(echo "$RAW_VERSION" | cut -d'.' -f1-2)
          echo "gitea-ci-library - Tunnistettu Major.Minor versio: $BASE_VERSION"

          TAGS_JSON=$(curl -s -f -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
            "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/tags")

          TAG=$(echo "$TAGS_JSON" | jq -r 'if type == "array" then .[] | select(.commit.sha == "${{ github.sha }}") | .name else empty end' | head -1)

          if [ -n "$TAG" ]; then
            echo "artifact_exists=true" >> "$GITHUB_OUTPUT"
            echo "next_version=$TAG" >> "$GITHUB_OUTPUT"
            echo "gitea-ci-library - Artefakti löytyi jo tagilla: $TAG."
          else
            echo "artifact_exists=false" >> "$GITHUB_OUTPUT"
            
            HIGHEST_PATCH=$(echo "$TAGS_JSON" | jq -r --arg bv "$BASE_VERSION." '
              if type == "array" then .[] | .name | select(startswith($bv)) | sub($bv; "") | tonumber else empty end' | sort -rn | head -1)

            if [ -z "$HIGHEST_PATCH" ]; then NEXT_PATCH=0; else NEXT_PATCH=$((HIGHEST_PATCH + 1)); fi
            FULL_VERSION="${BASE_VERSION}.${NEXT_PATCH}"
            
            echo "next_version=$FULL_VERSION" >> "$GITHUB_OUTPUT"
            echo "gitea-ci-library - Uusi vapaa versio: $FULL_VERSION"
          fi

      - name: Set Gitea status to SUCCESS
        if: success()
        env:
          EXISTS: ${{ steps.check.outputs.artifact_exists }}
          VERSION: ${{ steps.check.outputs.next_version }}
        run: |
          echo "===== gitea-ci-library - Check existing artifact | success ====="
          if [ "${EXISTS}" = "true" ]; then
            bash scripts/report-status.sh success "Skip build: version $VERSION exists" ci-check
          else
            bash scripts/report-status.sh success "Build version $VERSION required" ci-check
          fi

      - name: Set Gitea status to FAILURE
        if: failure()
        run: bash scripts/report-status.sh failure "Check version FAILED" ci-check

  quality-gate:
    needs: [check]
    if: needs.check.outputs.artifact_exists == 'false'
    uses: niko/gitea-ci-library/.gitea/workflows/quality-gate.yml@main
    secrets: inherit
    with:
      env_json: ${{ inputs.env_json }}
      bats-image: ${{ inputs.bats-image }}
      cucumber-node-image: ${{ inputs.cucumber-node-image }}
  build:
    runs-on: ubuntu-latest
    needs: [check, quality-gate]
    if: needs.quality-gate.result == 'success' && needs.check.outputs.artifact_exists == 'false'
    steps:
      - uses: actions/checkout@v4

      - name: Set Gitea status to PENDING
        run: |
          echo "===== gitea-ci-library - Docker Build | begin ====="
          bash scripts/report-status.sh pending "Building Docker image..." ci-docker-build

      - name: Build container
        id: build
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: |
          NOW=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          docker build \
            --label "git.commit=${{ github.sha }}" \
            --label "git.commitBy=${{ github.actor }}" \
            --label "build.date=${NOW}" \
            -t "minimal:${VERSION}" .

      - name: Report status SUCCESS
        if: success()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh success "Docker build $VERSION OK" ci-docker-build

      - name: Report status FAILURE
        if: failure()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh failure "Docker build $VERSION FAILED" ci-docker-build

      - name: Save Docker image
        run: |
          mkdir -p /tmp/image
          docker save "minimal:${{ needs.check.outputs.next_version }}" -o /tmp/image/artifact.tar

      - name: Upload Docker image artifact
        uses: actions/upload-artifact@v3
        with:
          name: docker-image
          path: /tmp/image/artifact.tar

  push:
    runs-on: ubuntu-latest
    needs: [check, build]
    if: needs.build.result == 'success' && needs.check.outputs.artifact_exists == 'false'
    steps:
      - uses: actions/checkout@v4

      - name: Load saved Docker image
        uses: actions/download-artifact@v3
        with:
          name: docker-image
          path: /tmp/image

      - name: Set Gitea status to PENDING
        run: |
          echo "===== gitea-ci-library - Docker Push | begin ====="
          bash scripts/report-status.sh pending "Pushing to registry..." ci-docker-push

      - name: Push to Gitea Packages
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          VERSION: ${{ needs.check.outputs.next_version }}
        run: |
          docker load -i /tmp/image/artifact.tar
          REGISTRY=$(echo "${{ gitea.server_url }}" | sed -e 's|^https://||' -e 's|^http://||')
          IMAGE="$REGISTRY/${{ gitea.repository }}:$VERSION"
          docker tag "minimal:$VERSION" "$IMAGE"
          echo "$GITEA_TOKEN" | docker login "$REGISTRY" -u "${{ github.actor }}" --password-stdin
          docker push "$IMAGE"
          docker logout "$REGISTRY"

      - name: Report status SUCCESS
        if: success()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh success "Docker push $VERSION OK" ci-docker-push

      - name: Report status FAILURE
        if: failure()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh failure "Docker push $VERSION FAILED" ci-docker-push

  tag-commit:
    runs-on: ubuntu-latest
    needs: [check, push]
    if: needs.push.result == 'success' && needs.check.outputs.artifact_exists == 'false'
    steps:
      - uses: actions/checkout@v4

      - name: Set Gitea status to PENDING
        run: |
          echo "===== gitea-ci-library - Create Tag | begin ====="
          bash scripts/report-status.sh pending "Creating tag..." ci-docker-tag

      - name: Create git tag
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          REPO: ${{ github.repository }}
          SERVER_URL: ${{ gitea.server_url }}
          RUN_NUMBER: ${{ github.run_number }}
          SHA: ${{ github.sha }}
          VERSION: ${{ needs.check.outputs.next_version }}
        run: |
          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
            "$SERVER_URL/api/v1/repos/$REPO/tags" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\": \"$VERSION\", \"message\": \"Build #$RUN_NUMBER\", \"target\": \"$SHA\"}")

          if [ "$HTTP_CODE" = "201" ] || [ "$HTTP_CODE" = "409" ]; then
            exit 0
          else
            exit 1
          fi

      - name: Report status SUCCESS
        if: success()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh success "Tag $VERSION OK" ci-docker-tag

      - name: Report status FAILURE
        if: failure()
        env:
          VERSION: ${{ needs.check.outputs.next_version }}
        run: bash scripts/report-status.sh failure "Tag $VERSION FAILED" ci-docker-tag