name: duplicate-issues

on:
  issues:
    types: [opened, edited]

jobs:
  check-duplicates:
    if: github.event.action == 'opened'
    runs-on: blacksmith-4vcpu-ubuntu-2404
    permissions:
      contents: read
      issues: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Install opencode
        run: curl -fsSL https://opencode.ai/install | bash

      - name: Check duplicates and compliance
        env:
          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OPENCODE_PERMISSION: |
            {
              "bash": "deny",
              "webfetch": "deny",
              "edit": "deny",
              "write": "deny"
            }
          ISSUE_NUMBER: ${{ github.event.issue.number }}
          REPO: ${{ github.repository }}
        run: |
          ISSUE_TITLE=$(gh issue view "$ISSUE_NUMBER" --repo "$REPO" --json title --jq .title)
          ISSUE_BODY=$(gh issue view "$ISSUE_NUMBER" --repo "$REPO" --json body --jq .body)

          PROMPT=$(cat <<EOF
          Check this new issue for compliance and duplicates:

          CURRENT_ISSUE_NUMBER: $ISSUE_NUMBER

          Title: $ISSUE_TITLE

          Description:
          $ISSUE_BODY
          EOF
          )

          COMMENT=$(opencode run --agent duplicate-issue "$PROMPT")

          if [ "$COMMENT" = "No action required" ]; then
            exit 0
          fi

          BODY="_The following comment was made by an LLM, it may be inaccurate:_

          $COMMENT"

          gh issue comment "$ISSUE_NUMBER" --repo "$REPO" --body "$BODY"

          if [[ "$COMMENT" == *"<!-- issue-compliance -->"* ]]; then
            gh issue edit "$ISSUE_NUMBER" --repo "$REPO" --add-label needs:compliance
          fi

  recheck-compliance:
    if: github.event.action == 'edited' && contains(github.event.issue.labels.*.name, 'needs:compliance')
    runs-on: blacksmith-4vcpu-ubuntu-2404
    permissions:
      contents: read
      issues: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Install opencode
        run: curl -fsSL https://opencode.ai/install | bash

      - name: Recheck compliance
        env:
          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OPENCODE_PERMISSION: |
            {
              "bash": "deny",
              "webfetch": "deny",
              "edit": "deny",
              "write": "deny"
            }
          ISSUE_NUMBER: ${{ github.event.issue.number }}
          REPO: ${{ github.repository }}
        run: |
          ISSUE_TITLE=$(gh issue view "$ISSUE_NUMBER" --repo "$REPO" --json title --jq .title)
          ISSUE_BODY=$(gh issue view "$ISSUE_NUMBER" --repo "$REPO" --json body --jq .body)

          PROMPT=$(cat <<EOF
          Recheck this edited issue for compliance:

          MODE: recheck-compliance
          CURRENT_ISSUE_NUMBER: $ISSUE_NUMBER

          Title: $ISSUE_TITLE

          Description:
          $ISSUE_BODY
          EOF
          )

          COMMENT=$(opencode run --agent duplicate-issue "$PROMPT")

          if [ "$COMMENT" = "No action required" ]; then
            gh issue edit "$ISSUE_NUMBER" --repo "$REPO" --remove-label needs:compliance || true

            IDS=$(gh api "repos/$REPO/issues/$ISSUE_NUMBER/comments" --jq '.[] | select(.body | contains("<!-- issue-compliance -->")) | .id')
            for id in $IDS; do
              gh api -X DELETE "repos/$REPO/issues/comments/$id"
            done

            gh issue comment "$ISSUE_NUMBER" --repo "$REPO" --body "Thanks for updating your issue. It now meets our contributing guidelines. :+1:"
            exit 0
          fi

          gh issue edit "$ISSUE_NUMBER" --repo "$REPO" --add-label needs:compliance

          BODY="_The following comment was made by an LLM, it may be inaccurate:_

          $COMMENT"

          EXISTING=$(gh api "repos/$REPO/issues/$ISSUE_NUMBER/comments" --jq '[.[] | select(.body | contains("<!-- issue-compliance -->")) | .id] | last // empty')
          if [ -n "$EXISTING" ]; then
            gh api -X PATCH "repos/$REPO/issues/comments/$EXISTING" -f body="$BODY"
            exit 0
          fi

          gh issue comment "$ISSUE_NUMBER" --repo "$REPO" --body "$BODY"