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.set-outputs.outputs.artifact_exists }}
    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
        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)

          mkdir -p /tmp/build-ctx

          if [ -n "$TAG" ]; then
            echo "ARTIFACT_EXISTS=true" > /tmp/build-ctx/build.env
            echo "NEXT_VERSION=$TAG" >> /tmp/build-ctx/build.env
            echo "gitea-ci-library - Artefakti löytyi jo tagilla: $TAG."
          else
            echo "ARTIFACT_EXISTS=false" > /tmp/build-ctx/build.env
            
            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" >> /tmp/build-ctx/build.env
            echo "gitea-ci-library - Uusi vapaa versio: $FULL_VERSION"
          fi

      - name: Set job outputs
        id: set-outputs
        run: |
          source /tmp/build-ctx/build.env
          echo "artifact_exists=$ARTIFACT_EXISTS" >> "$GITHUB_OUTPUT"

      - name: Upload build env artifact
        uses: actions/upload-artifact@v3
        with:
          name: build-context
          path: /tmp/build-ctx/build.env

      - name: Set Gitea status to SUCCESS
        if: success()
        run: |
          source /tmp/build-ctx/build.env
          if [ "${ARTIFACT_EXISTS}" = "true" ]; then
            bash scripts/report-status.sh success "Skip build: version $NEXT_VERSION exists" ci-check
          else
            bash scripts/report-status.sh success "Build version $NEXT_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]
  #   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]
    needs: [check]
    # Skipataan koko build jos artefakti löytyy jo
    if: needs.check.outputs.artifact_exists != 'true'
    steps:
      - uses: actions/checkout@v4

      - name: Download build env
        uses: actions/download-artifact@v3
        with:
          name: build-context
          path: /tmp/build-ctx

      - name: Check if build needed
        id: gatekeeper
        run: |
          source /tmp/build-ctx/build.env
          if [ "${ARTIFACT_EXISTS}" = "true" ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

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

      - name: Build container
        if: steps.gatekeeper.outputs.skip == 'false'
        run: |
          source /tmp/build-ctx/build.env
          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 "gitea-ci-library-test-minimal:${NEXT_VERSION}" .

      - name: Report status SUCCESS
        if: steps.gatekeeper.outputs.skip == 'false' && success()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh success "Docker build $NEXT_VERSION OK" ci-docker-build

      - name: Report status FAILURE
        if: steps.gatekeeper.outputs.skip == 'false' && failure()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh failure "Docker build $NEXT_VERSION FAILED" ci-docker-build

      - name: Save Docker image
        if: steps.gatekeeper.outputs.skip == 'false' && success()
        run: |
          source /tmp/build-ctx/build.env
          mkdir -p /tmp/image
          docker save "gitea-ci-library-test-minimal:${NEXT_VERSION}" -o /tmp/image/artifact.tar

      - name: Upload Docker image artifact
        if: steps.gatekeeper.outputs.skip == 'false' && success()
        uses: actions/upload-artifact@v3
        with:
          name: docker-image
          path: /tmp/image/artifact.tar

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

      - name: Download build env
        uses: actions/download-artifact@v3
        with:
          name: build-context
          path: /tmp/build-ctx

      - name: Verify Build Status
        id: gatekeeper
        run: |
          BUILD_RESULT="${{ needs.build.result }}"
          source /tmp/build-ctx/build.env
          if [ "$BUILD_RESULT" != "success" ]; then
            echo "gitea-ci-library - Edellinen vaihe epäonnistui. Keskeytetään." >&2
            exit 1
          fi
          if [ "${ARTIFACT_EXISTS}" = "true" ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Load saved Docker image
        if: steps.gatekeeper.outputs.skip == 'false'
        uses: actions/download-artifact@v3
        with:
          name: docker-image
          path: /tmp/image

      - name: Set Gitea status to PENDING
        if: steps.gatekeeper.outputs.skip == 'false'
        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
        if: steps.gatekeeper.outputs.skip == 'false'
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          source /tmp/build-ctx/build.env
          docker load -i /tmp/image/artifact.tar
          REGISTRY=$(echo "${{ gitea.server_url }}" | sed -e 's|^https://||' -e 's|^http://||')
          IMAGE="$REGISTRY/${{ gitea.repository }}:${NEXT_VERSION}"
          docker tag "gitea-ci-library-test-minimal:${NEXT_VERSION}" "$IMAGE"
          echo "$GITEA_TOKEN" | docker login "$REGISTRY" -u "${{ github.actor }}" --password-stdin
          docker push "$IMAGE"
          docker logout "$REGISTRY"

      - name: Report status SUCCESS
        if: steps.gatekeeper.outputs.skip == 'false' && success()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh success "Docker push $NEXT_VERSION OK" ci-docker-push

      - name: Report status FAILURE
        if: steps.gatekeeper.outputs.skip == 'false' && failure()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh failure "Docker push $NEXT_VERSION FAILED" ci-docker-push

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

      - name: Download build env
        uses: actions/download-artifact@v3
        with:
          name: build-context
          path: /tmp/build-ctx

      - name: Verify Push Status
        id: gatekeeper
        run: |
          PUSH_RESULT="${{ needs.push.result }}"
          source /tmp/build-ctx/build.env
          if [ "$PUSH_RESULT" != "success" ]; then
            echo "gitea-ci-library - Push vaihe epäonnistui. Keskeytetään." >&2
            exit 1
          fi
          if [ "${ARTIFACT_EXISTS}" = "true" ]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

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

      - name: Create git tag
        if: steps.gatekeeper.outputs.skip == 'false'
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          REPO: ${{ github.repository }}
          SERVER_URL: ${{ gitea.server_url }}
          RUN_NUMBER: ${{ github.run_number }}
          SHA: ${{ github.sha }}
        run: |
          source /tmp/build-ctx/build.env
          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
            "$SERVER_URL/api/v1/repos/$REPO/tags" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\": \"$NEXT_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: steps.gatekeeper.outputs.skip == 'false' && success()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh success "Tag $NEXT_VERSION OK" ci-docker-tag

      - name: Report status FAILURE
        if: steps.gatekeeper.outputs.skip == 'false' && failure()
        run: |
          source /tmp/build-ctx/build.env
          bash scripts/report-status.sh failure "Tag $NEXT_VERSION FAILED" ci-docker-tag