# .gitea/workflows/helm-release.yaml
# -------------------------------------------------------------------------
# secret-manager 用のチャート公開ワークフロー。
#
# 他リポジトリの「毎 push で無条件公開」する共通版とは異なり、この版は
# 「Chart.yaml の version が Package Registry に未公開のときだけリリースする」。
# 既に同じバージョンが公開済みなら何もしない（README や examples だけの
# 変更で push してもリリースは発生しない）。
#
# リリース = Package Registry への発行 + Git タグ + Gitea リリース（tgz 添付）。
# -------------------------------------------------------------------------
name: Helm Chart Release

on:
  push:
    branches:
      - main
      - master
    paths:
      - 'Chart.yaml'
      - 'values.yaml'
      - 'values.schema.json'
      - 'templates/**'
      - '.gitea/workflows/helm-release.yaml'
  workflow_dispatch:

env:
  REGISTRY_URL: https://git.cafepieters.com
  OWNER: helmchart

jobs:
  release-chart:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@v3
        with:
          version: 'v3.12.0'

      - name: Ensure jq
        run: |
          command -v jq >/dev/null 2>&1 || { apt-get update -qq && apt-get install -y -qq jq; }
          jq --version

      - name: Get chart info
        id: info
        run: |
          set -e
          CHART_NAME=$(grep '^name:'    Chart.yaml | head -1 | sed 's/^name:[[:space:]]*//;    s/"//g; s/[[:space:]]*$//')
          CHART_VERSION=$(grep '^version:' Chart.yaml | head -1 | sed 's/^version:[[:space:]]*//; s/"//g; s/[[:space:]]*$//')
          echo "name=${CHART_NAME}"       >> $GITHUB_OUTPUT
          echo "version=${CHART_VERSION}" >> $GITHUB_OUTPUT
          echo "Chart: ${CHART_NAME} v${CHART_VERSION}"

      - name: Validate chart
        run: helm lint --strict .

      - name: Check whether this version is already released
        id: check
        run: |
          set -e
          NAME="${{ steps.info.outputs.name }}"
          VERSION="${{ steps.info.outputs.version }}"

          helm repo add cafepieters "${REGISTRY_URL}/api/packages/${OWNER}/helm" \
            --username "${{ secrets.REGISTRY_USER }}" \
            --password "${{ secrets.REGISTRY_TOKEN }}" >/dev/null 2>&1 || true
          helm repo update cafepieters >/dev/null 2>&1 || true

          FOUND=$(helm search repo "cafepieters/${NAME}" --version "${VERSION}" --output json 2>/dev/null | jq 'length' 2>/dev/null || echo 0)
          echo "Registry entries for ${NAME} ${VERSION}: ${FOUND}"

          if [ "${FOUND:-0}" -gt 0 ]; then
            echo "release_needed=false" >> $GITHUB_OUTPUT
            echo "✅ v${VERSION} は既にリリース済み。処理をスキップします。"
          else
            echo "release_needed=true" >> $GITHUB_OUTPUT
            echo "🆕 v${VERSION} は未リリース。リリースを実行します。"
          fi

      - name: Package chart
        if: steps.check.outputs.release_needed == 'true'
        run: |
          set -e
          helm package .
          CHART_FILE=$(ls "${{ steps.info.outputs.name }}"-*.tgz | head -1)
          echo "CHART_FILE=${CHART_FILE}" >> $GITHUB_ENV
          echo "Packaged: ${CHART_FILE}"

      - name: Publish to Gitea Package Registry
        if: steps.check.outputs.release_needed == 'true'
        run: |
          set -e
          curl --fail-with-body \
            -u "${{ secrets.REGISTRY_USER }}:${{ secrets.REGISTRY_TOKEN }}" \
            -X POST \
            --upload-file "${CHART_FILE}" \
            "${REGISTRY_URL}/api/packages/${OWNER}/helm/api/charts"
          echo "✅ Published ${CHART_FILE} to Package Registry"

      - name: Create Git tag
        if: steps.check.outputs.release_needed == 'true'
        run: |
          set -e
          VERSION="${{ steps.info.outputs.version }}"
          git config user.name  "Claude"
          git config user.email "claude@cafepieters.com"
          if git rev-parse "v${VERSION}" >/dev/null 2>&1; then
            echo "Tag v${VERSION} already exists, skipping"
          else
            git tag -a "v${VERSION}" -m "Release ${VERSION}"
            git push origin "v${VERSION}"
            echo "Git tag v${VERSION} created"
          fi

      - name: Create Gitea Release
        if: steps.check.outputs.release_needed == 'true'
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          set -e
          VERSION="${{ steps.info.outputs.version }}"
          NAME="${{ steps.info.outputs.name }}"
          PACKAGE_FILE="${NAME}-${VERSION}.tgz"

          EXISTING=$(curl -s -H "Authorization: token ${GITEA_TOKEN}" \
            "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/tags/v${VERSION}" | jq -r '.id // empty')

          if [ -n "${EXISTING}" ]; then
            echo "Release v${VERSION} already exists (id=${EXISTING}), skipping"
          else
            RELEASE_ID=$(curl -s -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: application/json" \
              -d "{\"tag_name\":\"v${VERSION}\",\"name\":\"v${VERSION}\",\"body\":\"secret-manager Helm Chart v${VERSION}\"}" \
              "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases" | jq -r '.id')

            curl -s -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: application/gzip" \
              --data-binary "@${PACKAGE_FILE}" \
              "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}/assets?name=${PACKAGE_FILE}"

            echo "Gitea release v${VERSION} created with asset ${PACKAGE_FILE}"
          fi

      - name: Summary
        run: |
          if [ "${{ steps.check.outputs.release_needed }}" = "true" ]; then
            echo "================================"
            echo "✅ Released secret-manager v${{ steps.info.outputs.version }}"
            echo "================================"
            echo "helm repo add cafepieters ${REGISTRY_URL}/api/packages/${OWNER}/helm"
            echo "helm repo update"
            echo "helm upgrade --install secrets cafepieters/secret-manager"
          else
            echo "ℹ️  No release: v${{ steps.info.outputs.version }} is already published."
            echo "    バージョンを上げたい場合は Chart.yaml の version / appVersion を更新して push してください。"
          fi