name: 🪄 Update Third-Party Skills

on:
  push:
    branches:
      - main
  workflow_dispatch:
  schedule:
    - cron: "@daily"

concurrency:
  group: update-thirdparty-${{ github.repository }}
  cancel-in-progress: false

env:
  WORKSPACE_DIR: "/home/workspace"
  THIRDPARTY_BRANCH: "thirdparty/skill"
  MANIFEST_PATH: ".gitea/ci/thirdparty_skills.json"

jobs:
  update_and_sync:
    name: ♻️ Update thirdparty and sync main
    runs-on: ubuntu-22.04

    steps:
      - name: 🧰 Prepare repo
        shell: bash
        run: |
          set -euo pipefail

          echo "========================================"
          echo "🧰 Prepare repo in WORKSPACE_DIR"
          echo "========================================"

          REPO_NAME="${{ github.event.repository.name }}"
          REPO_DIR="${{ env.WORKSPACE_DIR }}/$REPO_NAME"
          TOKEN="${{ secrets.WORKFLOW }}"
          if [ -n "$TOKEN" ]; then
            REPO_URL="https://oauth2:${TOKEN}@${GITHUB_SERVER_URL#https://}/${{ github.repository }}.git"
          else
            REPO_URL="${GITHUB_SERVER_URL}/${{ github.repository }}.git"
          fi

          if [ -d "$REPO_DIR" ]; then
            if [ -d "$REPO_DIR/.git" ]; then
              cd "$REPO_DIR"
              git ls-files -v | awk '/^[a-zS] / {sub(/^[a-zS] /, ""); print}' | while IFS= read -r path; do
                git update-index --no-assume-unchanged --no-skip-worktree -- "$path"
              done
              git clean -fdx
              git reset --hard
              git fetch --all --tags --force --prune --prune-tags
            else
              rm -rf "$REPO_DIR"
            fi
          fi

          if [ ! -d "$REPO_DIR/.git" ]; then
            mkdir -p "${{ env.WORKSPACE_DIR }}"
            git clone "$REPO_URL" "$REPO_DIR"
            cd "$REPO_DIR"
          fi

          git fetch origin main
          git checkout -B main origin/main

          git config --global --add safe.directory "$REPO_DIR"
          echo "REPO_DIR=$REPO_DIR" >> "$GITHUB_ENV"

      - name: ♻️ Update thirdparty and sync main
        shell: bash
        run: |
          set -euo pipefail
          cd "$REPO_DIR"

          echo "========================================"
          echo "📦 Refresh thirdparty/skill snapshots"
          echo "========================================"

          before_ref=""
          if git show-ref --verify --quiet "refs/remotes/origin/$THIRDPARTY_BRANCH"; then
            before_ref="$(git rev-parse "origin/$THIRDPARTY_BRANCH")"
            echo "📌 Previous $THIRDPARTY_BRANCH: $before_ref"
          else
            echo "📌 Previous $THIRDPARTY_BRANCH: <missing>"
          fi

          export MANIFEST_PATH="$MANIFEST_PATH"
          TARGET_BRANCH="$THIRDPARTY_BRANCH" bash .gitea/ci/update_thirdparty_skills.sh

          git fetch origin "$THIRDPARTY_BRANCH"
          after_ref="$(git rev-parse "origin/$THIRDPARTY_BRANCH")"
          echo "📌 Current $THIRDPARTY_BRANCH: $after_ref"

          if [ "$after_ref" = "$before_ref" ]; then
            echo "✅ No thirdparty snapshot change; skip main sync."
            exit 0
          fi

          echo "========================================"
          echo "🚀 Sync skills into main"
          echo "========================================"

          git fetch origin main
          git checkout -B main origin/main

          TARGET_BRANCH="main" \
          THIRDPARTY_BRANCH="$THIRDPARTY_BRANCH" \
          MANIFEST_PATH="$MANIFEST_PATH" \
          bash .gitea/ci/sync_thirdparty_skills.sh

          echo "🎉 Update and sync finished."