name: Release on main

on:
  push:
    branches: [ main ]
  workflow_dispatch:

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout (full history + tags)
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install git-cliff (no GitHub API)
        shell: bash
        run: |
          set -e
          GIT_CLIFF_VERSION="2.11.0"
          URL="https://github.com/orhun/git-cliff/releases/download/v${GIT_CLIFF_VERSION}/git-cliff-${GIT_CLIFF_VERSION}-x86_64-unknown-linux-gnu.tar.gz"
          curl -L "$URL" -o /tmp/git-cliff.tar.gz
          tar -xzf /tmp/git-cliff.tar.gz -C /tmp
          sudo install /tmp/git-cliff-*/git-cliff /usr/local/bin/git-cliff
          git-cliff --version

      - name: Generate release notes (Keep a Changelog)
        shell: bash
        run: |
          set -e
          # This generates a full changelog doc; we’ll use it as the release body.
          git-cliff --config cliff.toml --output RELEASE_NOTES.md

          # (Optional) Trim header if you only want entries (keep as-is if you prefer full text)
          # For now we use the full generated content.
          test -s RELEASE_NOTES.md

      - name: Prepare tag + locate zip
        shell: bash
        run: |
          set -e

          # Your exported zip file in the repository
          ZIP_PATH="Computing:Box Website.zip"
          if [ ! -f "$ZIP_PATH" ]; then
            echo "❌ Expected zip not found: $ZIP_PATH"
            echo "Files in repo root:"
            ls -la
            exit 1
          fi

          # Create a unique tag for every commit to main
          SHORT_SHA="$(git rev-parse --short HEAD)"
          RUN_NO="${GITHUB_RUN_NUMBER:-0}"
          TAG="v1.9-${RUN_NO}-${SHORT_SHA}"

          echo "TAG=$TAG" >> $GITHUB_ENV
          echo "ZIP_PATH=$ZIP_PATH" >> $GITHUB_ENV

      - name: Create and push tag (uses CHANGELOG_PAT)
        shell: bash
        env:
          CHANGELOG_PAT: ${{ secrets.CHANGELOG_PAT }}
        run: |
          set -e

          # Tag the current commit
          git tag -f "$TAG"

          origin_url="$(git remote get-url origin)"

          # Convert SSH origin to HTTPS if needed (git@host:owner/repo -> https://host/owner/repo)
          if echo "$origin_url" | grep -q "^git@"; then
            host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
            path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
            origin_url="https://$host/$path"
          fi

          authed_url="$(echo "$origin_url" | sed -E "s#^https://#https://oauth2:${CHANGELOG_PAT}@#")"

          # Push the tag
          git push "$authed_url" "refs/tags/$TAG" --force

      - name: Create release + upload asset to Gitea
        shell: bash
        env:
          CHANGELOG_PAT: ${{ secrets.CHANGELOG_PAT }}
        run: |
          set -e

          # Derive base URL + owner/repo from origin
          origin_url="$(git remote get-url origin)"
          if echo "$origin_url" | grep -q "^git@"; then
            host="$(echo "$origin_url" | sed -E 's#git@([^:]+):.*#\1#')"
            path="$(echo "$origin_url" | sed -E 's#git@[^:]+:(.*)#\1#')"
            origin_url="https://$host/$path"
          fi

          base="$(echo "$origin_url" | sed -E 's#(https?://[^/]+)/.*#\1#')"
          repo_path="$(echo "$origin_url" | sed -E 's#https?://[^/]+/##')"
          # Remove trailing .git if present
          repo_path="$(echo "$repo_path" | sed -E 's/\.git$//')"

          owner="$(echo "$repo_path" | cut -d/ -f1)"
          repo="$(echo "$repo_path" | cut -d/ -f2-)"

          api="$base/api/v1"

          # Build release body (escape as JSON safely)
          body_json="$(python3 - << 'PY'
import json
with open("RELEASE_NOTES.md","r",encoding="utf-8") as f:
    txt = f.read()
print(json.dumps(txt))
PY
)"

          # Create release
          payload="$(python3 - << PY
import json
print(json.dumps({
  "tag_name": "${TAG}",
  "target_commitish": "main",
  "name": "${TAG}",
  "body": json.loads(${body_json}),
  "draft": False,
  "prerelease": False
}))
PY
)"

          release_resp="$(curl -sS -X POST \
            -H "Authorization: token ${CHANGELOG_PAT}" \
            -H "Content-Type: application/json" \
            "${api}/repos/${owner}/${repo}/releases" \
            -d "${payload}")"

          release_id="$(python3 - << 'PY'
import json,sys
data=json.loads(sys.stdin.read())
rid=data.get("id")
if not rid:
    print("NO_ID")
    print(json.dumps(data, indent=2))
    sys.exit(1)
print(rid)
PY
<<EOF
$release_resp
EOF
)"

          echo "Created release id: $release_id"

          # Upload asset (multipart/form-data)
          # Use a filename that matches what you want users to see in the release.
          curl -sS -X POST \
            -H "Authorization: token ${CHANGELOG_PAT}" \
            "${api}/repos/${owner}/${repo}/releases/${release_id}/assets?name=Computing%3ABox%20Website.zip" \
            -F "attachment=@${ZIP_PATH}" \
            >/dev/null

          echo "✅ Release created and asset uploaded: ${TAG}"