name: Issue & PR Automation

on:
  issues:
    types: [opened]
  pull_request:
    types: [opened]
  issue_comment:
    types: [created]
  pull_request_review_comment:
    types: [created]

permissions:
  contents: read
  issues: write
  pull-requests: write
  models: read
  id-token: write

jobs:
  validate-issue:
    if: github.event_name == 'issues'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 #v6.0.1

      - name: Save issue body to file
        env:
          ISSUE_BODY: ${{ github.event.issue.body }}
        run: printf '%s' "${ISSUE_BODY:-}" > issue_body.txt

      - name: Validate issue with AI
        id: validate
        uses: actions/ai-inference@a380166897b5408b8fb7dddd148142794cb5624a # v2.0.6
        with:
          prompt-file: .github/prompts/issue-validation.prompt.yml
          input: |
            issue_title: ${{ github.event.issue.title }}
            issue_labels: ${{ join(github.event.issue.labels.*.name, ', ') }}
          file_input: |
            issue_body: ./issue_body.txt
          max-tokens: 1024

      - name: Check if first-time contributor
        id: check-first-time
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ISSUE_AUTHOR: ${{ github.event.issue.user.login }}
        run: |
          ISSUE_COUNT=$(gh api "/repos/${{ github.repository }}/issues" \
            --jq "map(select(.user.login == \"$ISSUE_AUTHOR\" and .number != ${{ github.event.issue.number }})) | length" \
            --paginate || echo "0")

          if [ "$ISSUE_COUNT" = "0" ]; then
            echo "is_first_time=true" >> $GITHUB_OUTPUT
          else
            echo "is_first_time=false" >> $GITHUB_OUTPUT
          fi

      - name: Parse validation result and take action
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RESPONSE_FILE: ${{ steps.validate.outputs.response-file }}
        run: |
          if [ -n "$RESPONSE_FILE" ] && [ -f "$RESPONSE_FILE" ]; then
            RAW_OUTPUT=$(cat "$RESPONSE_FILE")
          else
            echo "::error::Response file not found: $RESPONSE_FILE"
            exit 1
          fi

          JSON_RESULT=$(printf "%s" "$RAW_OUTPUT" | sed -n '/```json/,/```/p' | sed '1d;$d')
          if [ -z "$JSON_RESULT" ]; then
            JSON_RESULT="$RAW_OUTPUT"
          fi

          if ! echo "$JSON_RESULT" | jq empty 2>/dev/null; then
            echo "::warning::Invalid JSON in AI response, using fallback"
            JSON_RESULT='{"is_valid":true,"issue_type":"other","missing_info":[],"suggestions":[],"overall_assessment":"Unable to validate automatically"}'
          fi

          IS_VALID=$(echo "$JSON_RESULT" | jq -r '.is_valid // false')
          ISSUE_TYPE=$(echo "$JSON_RESULT" | jq -r '.issue_type // "other"')
          MISSING_INFO=$(echo "$JSON_RESULT" | jq -r '.missing_info[]? // empty' | sed 's/^/- /')
          SUGGESTIONS=$(echo "$JSON_RESULT" | jq -r '.suggestions[]? // empty' | sed 's/^/- /')
          ASSESSMENT=$(echo "$JSON_RESULT" | jq -r '.overall_assessment // "No assessment provided"')

          IS_FIRST_TIME="${{ steps.check-first-time.outputs.is_first_time }}"
          GREETING_SECTION=""
          if [ "$IS_FIRST_TIME" = "true" ]; then
            GREETING_SECTION="## 👋 Welcome!\n\nThank you for your first issue ❤️ If this is a feature request, please make sure it is clear what you want, why you want it, and how important it is to you. If you posted a bug report, please make sure it includes as much detail as possible.\n\n---\n\n"
          fi

          if [ "$IS_VALID" = "false" ]; then
            {
              printf "%b" "$GREETING_SECTION"
              printf "## 🤖 Issue Validation\n\n"
              printf "Thank you for submitting this issue! However, it appears that some required information might be missing to help us better understand and address your concern.\n\n"
              printf "**Issue Type Detected:** \`%s\`\n\n" "$ISSUE_TYPE"
              printf "**Assessment:** %s\n\n" "$ASSESSMENT"
              printf "### 📋 Missing Information:\n%s\n\n" "$MISSING_INFO"
              printf "### 💡 Suggestions for Improvement:\n%s\n\n" "$SUGGESTIONS"
              printf "### 📝 How to Provide Additional Information:\n\n"
              printf "Please edit your original issue description to include the missing information. Here are our issue templates for reference:\n\n"
              printf -- "- **Bug Report Template:** [View Template](.github/ISSUE_TEMPLATE/01-bug-report.md)\n"
              printf -- "- **Feature Request Template:** [View Template](.github/ISSUE_TEMPLATE/02-feature-request.md)\n\n"
              printf "### 🔧 Quick Tips:\n"
              printf -- "- For **bug reports**: Include step-by-step reproduction instructions, your environment details, and any error messages\n"
              printf -- "- For **feature requests**: Describe the use case, expected behavior, and why this feature would be valuable\n"
              printf -- "- Add **screenshots** or **logs** when applicable\n\n"
              printf "Once you have updated the issue with the missing information, feel free to remove this comment or reply to let us know you have made the updates.\n\n"
              printf -- "---\n*This validation was performed automatically to ensure we have all the information needed to help you effectively.*\n"
            } > comment.md

            gh issue comment ${{ github.event.issue.number }} --body-file comment.md
            gh issue edit ${{ github.event.issue.number }} --add-label "needs-info"
          else
            SUGGESTIONS_SECTION=""
            if [ -n "$SUGGESTIONS" ]; then
              SUGGESTIONS_SECTION=$(printf "### 💡 Suggestions:\n%s\n\n" "$SUGGESTIONS")
            fi

            {
              printf "%b" "$GREETING_SECTION"
              printf "## 🤖 Issue Validation\n\n"
              printf "**Issue Type Detected:** \`%s\`\n\n" "$ISSUE_TYPE"
              printf "**Assessment:** %s\n\n" "$ASSESSMENT"
              printf "%b" "$SUGGESTIONS_SECTION"
              printf -- "---\n*This validation was performed automatically to help triage issues.*\n"
            } > comment.md

            gh issue comment ${{ github.event.issue.number }} --body-file comment.md

            case "$ISSUE_TYPE" in
              "bug_report")
                gh issue edit ${{ github.event.issue.number }} --add-label "bug"
                ;;
              "feature_request")
                gh issue edit ${{ github.event.issue.number }} --add-label "enhancement"
                ;;
            esac
          fi

      - name: Run opencode analysis
        uses: anomalyco/opencode/github@296250f1b7e1ec992a3a33bee999f5e09a1697d0 #v1.2.10
        env:
          ZHIPU_API_KEY: ${{ secrets.ZHIPU_API_KEY }}
        with:
          model: zai-coding-plan/glm-4.7

      - name: Cleanup
        run: rm -f issue_body.txt comment.md

  handle-pr:
    if: github.event_name == 'pull_request' && github.actor != 'dependabot[bot]'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 #v6.0.1
        with:
          fetch-depth: 0

      - name: Check if first-time contributor
        id: check-first-time
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
        run: |
          PR_COUNT=$(gh api "/repos/${{ github.repository }}/pulls?state=all&per_page=100" \
            --jq "[.[] | select(.user.login == \"$PR_AUTHOR\" and .number != ${{ github.event.pull_request.number }})] | length" \
            || echo "0")

          if [ "$PR_COUNT" = "0" ]; then
            echo "is_first_time=true" >> $GITHUB_OUTPUT
          else
            echo "is_first_time=false" >> $GITHUB_OUTPUT
          fi

      - name: Get PR diff
        id: get-diff
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh pr diff ${{ github.event.pull_request.number }} > pr_diff.txt
          head -c 10000 pr_diff.txt > pr_diff_truncated.txt

      - name: Save PR body to file
        env:
          PR_BODY: ${{ github.event.pull_request.body }}
        run: printf '%s' "${PR_BODY:-No description provided}" > pr_body.txt

      - name: Analyze PR with AI
        id: analyze
        uses: actions/ai-inference@a380166897b5408b8fb7dddd148142794cb5624a # v2.0.6
        with:
          prompt-file: .github/prompts/pr-review.prompt.yml
          input: |
            pr_title: ${{ github.event.pull_request.title }}
          file_input: |
            pr_body: ./pr_body.txt
            pr_diff: ./pr_diff_truncated.txt
          max-tokens: 1024

      - name: Post PR feedback comment
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RESPONSE_FILE: ${{ steps.analyze.outputs.response-file }}
        run: |
          if [ -n "$RESPONSE_FILE" ] && [ -f "$RESPONSE_FILE" ]; then
            RAW_OUTPUT=$(cat "$RESPONSE_FILE")
          else
            echo "::error::Response file not found"
            exit 1
          fi

          JSON_RESULT=$(printf "%s" "$RAW_OUTPUT" | sed -n '/```json/,/```/p' | sed '1d;$d')
          if [ -z "$JSON_RESULT" ]; then
            JSON_RESULT="$RAW_OUTPUT"
          fi

          if ! echo "$JSON_RESULT" | jq empty 2>/dev/null; then
            echo "::warning::Invalid JSON in AI response, using fallback"
            JSON_RESULT='{"summary":"Unable to analyze automatically","quality_score":"good","feedback":[],"suggestions":[],"security_notes":[]}'
          fi

          SUMMARY=$(echo "$JSON_RESULT" | jq -r '.summary // "No summary"')
          QUALITY=$(echo "$JSON_RESULT" | jq -r '.quality_score // "good"')
          FEEDBACK=$(echo "$JSON_RESULT" | jq -r '.feedback[]? // empty' | sed 's/^/- /')
          SUGGESTIONS=$(echo "$JSON_RESULT" | jq -r '.suggestions[]? // empty' | sed 's/^/- /')
          SECURITY=$(echo "$JSON_RESULT" | jq -r '.security_notes[]? // empty' | sed 's/^/- ⚠️ /')

          IS_FIRST_TIME="${{ steps.check-first-time.outputs.is_first_time }}"

          {
            if [ "$IS_FIRST_TIME" = "true" ]; then
              printf "## 👋 Welcome!\n\n"
              printf "Thank you for your first contribution ❤️ A human will review your PR shortly. Make sure that the pipelines are green, so that the PR is considered ready for review and could be merged.\n\n"
              printf -- "---\n\n"
            fi

            printf "## 🤖 PR Review\n\n"
            printf "**Summary:** %s\n\n" "$SUMMARY"

            case "$QUALITY" in
              "good")
                printf "**Status:** ✅ Looking good!\n\n"
                ;;
              "needs_work")
                printf "**Status:** 🔧 Some improvements suggested\n\n"
                ;;
              "critical_issues")
                printf "**Status:** ⚠️ Please address the issues below\n\n"
                ;;
            esac

            if [ -n "$FEEDBACK" ]; then
              printf "### 📝 Feedback:\n%s\n\n" "$FEEDBACK"
            fi

            if [ -n "$SUGGESTIONS" ]; then
              printf "### 💡 Suggestions:\n%s\n\n" "$SUGGESTIONS"
            fi

            if [ -n "$SECURITY" ]; then
              printf "### 🔒 Security Notes:\n%s\n\n" "$SECURITY"
            fi

            printf -- "---\n*This review was performed automatically. A human maintainer will also review your changes.*\n"
          } > comment.md

          gh pr comment ${{ github.event.pull_request.number }} --body-file comment.md

      - name: Run opencode analysis
        uses: anomalyco/opencode/github@296250f1b7e1ec992a3a33bee999f5e09a1697d0 #v1.2.10
        env:
          ZHIPU_API_KEY: ${{ secrets.ZHIPU_API_KEY }}
        with:
          model: zai-coding-plan/glm-4.7

      - name: Cleanup
        run: rm -f pr_diff.txt pr_diff_truncated.txt pr_body.txt comment.md

  opencode-command:
    if: |
      (github.event_name == 'issue_comment' || github.event_name == 'pull_request_review_comment') &&
      (contains(github.event.comment.body, ' /oc') ||
       startsWith(github.event.comment.body, '/oc') ||
       contains(github.event.comment.body, ' /opencode') ||
       startsWith(github.event.comment.body, '/opencode'))
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 #v6.0.1

      - name: Run opencode
        uses: anomalyco/opencode/github@296250f1b7e1ec992a3a33bee999f5e09a1697d0 #v1.2.10
        env:
          ZHIPU_API_KEY: ${{ secrets.ZHIPU_API_KEY }}
        with:
          model: zai-coding-plan/glm-4.7