name: Issues

on:
  issues:
    types:
      - opened
      - reopened
      - closed

jobs:
  label_issues:
    runs-on: ubuntu-latest
    steps:
      - name: Remove all 'state:' labels
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          ISSUE_NUMBER=${{ github.event.issue.number }}
          REPO=${{ github.repository }}
          EXISTING_LABELS=$(gh issue view $ISSUE_NUMBER --repo $REPO --json labels --jq '.labels[].name')

          for label in $EXISTING_LABELS; do
            if [[ $label == state:* ]]; then
              gh issue edit $ISSUE_NUMBER --remove-label "$label" --repo $REPO
            fi
          done

      - name: Add 'state:Backlog' label on issue opened or reopened
        if: ${{ github.event.action == 'opened' || github.event.action == 'reopened' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          LABEL_NAME="state:Backlog"
          REPO=${{ github.repository }}
          ISSUE_NUMBER=${{ github.event.issue.number }}

          if gh label list --repo $REPO | grep -q "$LABEL_NAME"; then
            gh issue edit $ISSUE_NUMBER --add-label "$LABEL_NAME" --repo $REPO
          fi

      - name: Add 'state:Done' label on issue closed
        if: ${{ github.event.action == 'closed' }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          LABEL_NAME="state:Done"
          REPO=${{ github.repository }}
          ISSUE_NUMBER=${{ github.event.issue.number }}

          if gh label list --repo $REPO | grep -q "$LABEL_NAME"; then
            gh issue edit $ISSUE_NUMBER --add-label "$LABEL_NAME" --repo $REPO
          fi