name: Nightly Build

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

permissions:
  contents: read

jobs:
  create-tag:
    name: Create Git Tag
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      version: ${{ steps.version.outputs.version }}
      tag: ${{ steps.version.outputs.tag }}
      changelog: ${{ steps.version.outputs.changelog }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Generate and push tag
        id: version
        run: |
          DATE=$(date -u +%Y%m%d)
          SHA=$(git rev-parse --short=8 HEAD)
          BASE_VERSION=$(git describe --tags --match "v*" --exclude "*nightly*" --abbrev=0 2>/dev/null || true)
          if [ -z "$BASE_VERSION" ] || [ "$BASE_VERSION" = "v0.0.0" ]; then
            TAG="v0.0.0-nightly.${DATE}.${SHA}"
          else
            TAG="${BASE_VERSION}-nightly.${DATE}.${SHA}"
          fi
          VERSION=$TAG
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          if git rev-parse -q --verify "refs/tags/$TAG" >/dev/null; then
            echo "Tag $TAG already exists, reusing existing tag"
          else
            git tag -a "$TAG" -m "Nightly build $VERSION"
          fi
          git push origin "$TAG"
          
          COMPARE_URL="https://github.com/${{ github.repository }}/commits/${TAG}"
          if [ -n "$BASE_VERSION" ] && [ "$BASE_VERSION" != "v0.0.0" ]; then
            COMPARE_URL="https://github.com/${{ github.repository }}/compare/${BASE_VERSION}...${TAG}"
          fi
          echo "changelog=**Full Changelog**: $COMPARE_URL" >> "$GITHUB_OUTPUT"
          
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
          echo "tag=${TAG}" >> "$GITHUB_OUTPUT"

  release:
    name: GoReleaser Release
    needs: create-tag
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    steps:
      - name: Checkout tag
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
          ref: ${{ needs.create-tag.outputs.tag }}

      - name: Setup Go from go.mod
        id: setup-go
        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Setup pnpm
        run: corepack enable && corepack prepare pnpm@latest --activate

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v6
        with:
          distribution: goreleaser
          version: ~> v2
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
          DOCKERHUB_IMAGE_NAME: ${{ vars.DOCKERHUB_REPOSITORY }}
          GOVERSION: ${{ steps.setup-go.outputs.go-version }}
          NIGHTLY_BUILD: "true"
          MACOS_SIGN_P12: ${{ secrets.MACOS_SIGN_P12 }}
          MACOS_SIGN_PASSWORD: ${{ secrets.MACOS_SIGN_PASSWORD }}
          MACOS_NOTARY_ISSUER_ID: ${{ secrets.MACOS_NOTARY_ISSUER_ID }}
          MACOS_NOTARY_KEY_ID: ${{ secrets.MACOS_NOTARY_KEY_ID }}
          MACOS_NOTARY_KEY: ${{ secrets.MACOS_NOTARY_KEY }}

  update-rolling:
    name: Update Rolling Nightly
    needs: [create-tag, release]
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Update nightly release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG: ${{ needs.create-tag.outputs.tag }}
          TITLE: ${{ needs.create-tag.outputs.version }}
        run: |
          CHANGELOG='${{ needs.create-tag.outputs.changelog }}'
          NOTES=$(cat <<EOF
          Nightly build for **${TITLE}**
          
          This is an automated build and may be unstable. Use with caution.
          
          ${CHANGELOG}
          EOF
          )
          
          # Download assets from the newly created release if it exists,
          # otherwise fall back to using locally built dist/ artifacts.
          mkdir -p build
          if gh release view "$TAG" >/dev/null 2>&1; then
            echo "Downloading assets from GitHub release for $TAG..."
            gh release download "$TAG" --dir build
          else
            echo "GitHub release for $TAG not found; falling back to local dist/ artifacts..."
            if [ -d "dist" ]; then
              cp -R dist/* build/
            else
              echo "Error: no GitHub release for $TAG and no local dist/ directory found." >&2
              exit 1
            fi
          fi
          
          # Delete existing nightly release and tag to avoid conflicts
          echo "Deleting existing nightly release and tag..."
          gh release delete nightly --cleanup-tag -y || true
          git push origin :refs/tags/nightly || true
          
          gh release create nightly \
            --title "Nightly Build" \
            --notes "$NOTES" \
            --target "${{ github.sha }}" \
            --prerelease \
            build/*

          echo "Cleaning up old nightly releases (keeping only the most recent)..."
          gh release list --limit 100 --json tagName -q '.[].tagName | select(contains("-nightly."))' | tail -n +2 | while read -r old_tag; do
            if [ -n "$old_tag" ] && [ "$old_tag" != "$TAG" ]; then
              echo "Deleting old nightly release: $old_tag"
              gh release delete "$old_tag" --cleanup-tag -y || true
            fi
          done
          
          echo "Cleaning up old 'vX.X.X-nightly...' Docker images on GHCR..."
          OWNER="${{ github.repository_owner }}"
          PACKAGE_NAME="${{ github.event.repository.name }}"
          
          # Check if owner is an organization or user
          ORG_TEST=$(gh api -H "Accept: application/vnd.github+json" /orgs/$OWNER 2>/dev/null || true)
          if echo "$ORG_TEST" | grep -q '"login"'; then
            ACCOUNT_TYPE="orgs"
          else
            ACCOUNT_TYPE="users"
          fi
          
          PACKAGE_URL="/${ACCOUNT_TYPE}/${OWNER}/packages/container/${PACKAGE_NAME}/versions"
          OLD_NIGHTLY_VERSIONS=$(gh api --paginate -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            "$PACKAGE_URL" \
            --jq ". | map(select(any(.metadata.container.tags[]; contains(\"-nightly.\") and (. != \"nightly\") and (. != \"$TAG\")))) | .[].id" 2>/dev/null || true)
            
          for version_id in $OLD_NIGHTLY_VERSIONS; do
            if [ -n "$version_id" ]; then
              echo "Deleting Docker image version ID: $version_id"
              gh api -X DELETE -H "Accept: application/vnd.github+json" \
                -H "X-GitHub-Api-Version: 2022-11-28" \
                "/${ACCOUNT_TYPE}/${OWNER}/packages/container/${PACKAGE_NAME}/versions/$version_id" || true
            fi
          done