name: PR review board

# Keeps the org "LEZ PR Review Queue" board in sync for this repo.
# Adds each PR to the board and sets its Status column, enforcing the
# team rule that Approved means 2+ approvals.

on:
  pull_request:
    types: [opened, reopened, ready_for_review, converted_to_draft, closed, labeled, unlabeled]
  pull_request_review:
    types: [submitted, dismissed]

permissions:
  contents: read
  pull-requests: read

concurrency:
  group: pr-review-board-${{ github.event.pull_request.number }}
  cancel-in-progress: false

jobs:
  sync:
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.PROJECT_PAT }}
      REPO: ${{ github.repository }}
      PR: ${{ github.event.pull_request.number }}
      PROJECT_ID: PVT_kwDODrxXXM4BbXZ_
      STATUS_FIELD: PVTSSF_lADODrxXXM4BbXZ_zhWIZnU
      OPT_DRAFT: f735bdac
      OPT_NEEDS: cbc7321d
      OPT_CHANGES: 302bbbd6
      OPT_APPROVED: c9e0743e
      PRIORITY_FIELD: PVTSSF_lADODrxXXM4BbXZ_zhWIyPA
      PRIO_URGENT: b72854fd
      PRIO_HIGH: 5e87ebf9
      PRIO_MEDIUM: 22367611
      PRIO_LOW: 41f60140
    steps:
      - name: Sync PR status to board
        run: |
          set -euo pipefail

          DATA=$(gh pr view "$PR" --repo "$REPO" --json id,isDraft,mergedAt,state,latestReviews,labels)
          PR_NODE=$(echo "$DATA" | jq -r '.id')
          IS_DRAFT=$(echo "$DATA" | jq -r '.isDraft')
          MERGED=$(echo "$DATA" | jq -r '(.mergedAt != null)')
          STATE=$(echo "$DATA" | jq -r '.state')
          NAP=$(echo "$DATA" | jq '[.latestReviews[] | select(.state=="APPROVED")] | length')
          NCH=$(echo "$DATA" | jq '[.latestReviews[] | select(.state=="CHANGES_REQUESTED")] | length')

          if [ "$STATE" = "CLOSED" ] && [ "$MERGED" != "true" ]; then
            echo "PR #$PR closed unmerged; leaving board entry untouched."
            exit 0
          fi

          # Add to the project (idempotent: returns existing item if already present)
          ITEM=$(gh api graphql -f query='
            mutation($p:ID!, $c:ID!) {
              addProjectV2ItemById(input:{projectId:$p, contentId:$c}) { item { id } }
            }' -f p="$PROJECT_ID" -f c="$PR_NODE" --jq '.data.addProjectV2ItemById.item.id')

          # Merged PRs are archived off the active board
          if [ "$MERGED" = "true" ]; then
            gh api graphql -f query='
              mutation($p:ID!, $i:ID!) {
                archiveProjectV2Item(input:{projectId:$p, itemId:$i}) { item { id } }
              }' -f p="$PROJECT_ID" -f i="$ITEM"
            echo "$REPO#$PR merged -> archived"
            exit 0
          fi

          # Status
          if [ "$IS_DRAFT" = "true" ]; then
            OPT=$OPT_DRAFT; LABEL="Draft"
          elif [ "$NCH" -gt 0 ]; then
            OPT=$OPT_CHANGES; LABEL="Changes requested"
          elif [ "$NAP" -ge 2 ]; then
            OPT=$OPT_APPROVED; LABEL="Approved"
          else
            OPT=$OPT_NEEDS; LABEL="Needs review"
          fi

          gh api graphql -f query='
            mutation($p:ID!, $i:ID!, $f:ID!, $o:String!) {
              updateProjectV2ItemFieldValue(input:{
                projectId:$p, itemId:$i, fieldId:$f,
                value:{ singleSelectOptionId:$o }
              }) { projectV2Item { id } }
            }' -f p="$PROJECT_ID" -f i="$ITEM" -f f="$STATUS_FIELD" -f o="$OPT"

          # Set Priority from a priority:* label (clear it when none is present)
          LABELS=$(echo "$DATA" | jq -r '.labels[].name')
          case "$LABELS" in
            *priority:urgent*) POPT=$PRIO_URGENT ;;
            *priority:high*)   POPT=$PRIO_HIGH ;;
            *priority:medium*) POPT=$PRIO_MEDIUM ;;
            *priority:low*)    POPT=$PRIO_LOW ;;
            *) POPT="" ;;
          esac
          if [ -n "$POPT" ]; then
            gh api graphql -f query='
              mutation($p:ID!, $i:ID!, $f:ID!, $o:String!) {
                updateProjectV2ItemFieldValue(input:{
                  projectId:$p, itemId:$i, fieldId:$f,
                  value:{ singleSelectOptionId:$o }
                }) { projectV2Item { id } }
              }' -f p="$PROJECT_ID" -f i="$ITEM" -f f="$PRIORITY_FIELD" -f o="$POPT"
          else
            gh api graphql -f query='
              mutation($p:ID!, $i:ID!, $f:ID!) {
                clearProjectV2ItemFieldValue(input:{
                  projectId:$p, itemId:$i, fieldId:$f
                }) { projectV2Item { id } }
              }' -f p="$PROJECT_ID" -f i="$ITEM" -f f="$PRIORITY_FIELD"
          fi

          echo "$REPO#$PR (approvals=$NAP changes=$NCH) -> $LABEL"