writeme.yml

name: WRITEME - Scheduled Copilot README Review

on:
  schedule:
    # Runs at 17:00 UTC every Wednesday (3)
    - cron: '0 17 * * 3'
  # Optional manual trigger if you ever want to run it on-demand
  workflow_dispatch: {}

permissions:
  contents: write        # Allow Copilot agent to create a branch/PR
  pull-requests: write   # Allow PR operations

jobs:
  create-copilot-job:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Read prompt file
        id: prompt
        run: |
          set -euo pipefail
          FILE=".github/workflows/writeme/prompt.md"
          if [ ! -f "$FILE" ]; then
            echo "Prompt file not found: $FILE" >&2
            exit 1
          fi
          # Convert entire file to a JSON string (properly escaped)
          PROMPT_JSON=$(jq -Rs . < "$FILE")
          echo "prompt=$PROMPT_JSON" >> "$GITHUB_OUTPUT"

      - name: Submit Copilot agent job
        id: submit
        env:
          TOKEN: ${{ secrets.COPILOT_PAT }}
          RAW_PROMPT: ${{ steps.prompt.outputs.prompt }}
        run: |
          set -euo pipefail
          # Derive base branch (fallback to main if not present in event payload)
          BASE_BRANCH="${{ github.event.repository.default_branch }}"
          if [ -z "$BASE_BRANCH" ]; then
            BASE_BRANCH="main"
          fi

          # RAW_PROMPT is already a quoted JSON string; unwrap safely via jq later
          BODY=$(jq -n --arg prompt "$RAW_PROMPT" --arg base "$BASE_BRANCH" ' {
              problem_statement: ($prompt | fromjson),
              event_type: "scheduled-workflow",
              pull_request: {
                title: "README Accuracy Review & Minimal Update",
                base_ref: $base,
                head_ref: null
              }
            }')

          echo "Request body:" >&2
          echo "$BODY" | jq . >&2 || echo "$BODY" >&2

          RESP=$(curl -sS -w "\nHTTP_STATUS:%{http_code}" -X POST -H "Authorization: Bearer $TOKEN" -H "Content-Type: application/json" -H "Copilot-Integration-Id: copilot-github-actions" -H "User-Agent: scheduled-copilot-workflow" -H "Accept: application/json" https://api.githubcopilot.com/agents/swe/jobs/intellectronica/ruler -d "$BODY")
          
          # Extract status code and response body
          RESPONSE_BODY=$(echo "$RESP" | sed -n '1,/HTTP_STATUS:/p' | sed '$d')
          STATUS_CODE=$(echo "$RESP" | grep "HTTP_STATUS:" | cut -d: -f2)
          
          echo "HTTP Status Code: $STATUS_CODE" >&2
          echo "Response Body: $RESPONSE_BODY" >&2
          
          # Check if response is just "Unauthorized"
          if [ "$RESPONSE_BODY" = "Unauthorized" ]; then
            echo "Authentication failed: Token may be invalid or missing required scopes" >&2
            exit 1
          fi

          JOB_ID=$(echo "$RESPONSE_BODY" | jq -r '.job_id // empty')
          STATE=$(echo "$RESPONSE_BODY" | jq -r '.status // empty')
          SESSION_URL=$(echo "$RESPONSE_BODY" | jq -r '.session_id // empty')
          PR_URL=$(echo "$RESPONSE_BODY" | jq -r '.pull_request.html_url // empty')

          if [ -z "$JOB_ID" ]; then
            echo "Failed to create Copilot agent job" >&2
            exit 1
          fi

          echo "job_id=$JOB_ID" >> "$GITHUB_OUTPUT"
          echo "job_state=$STATE" >> "$GITHUB_OUTPUT"
          echo "session_url=$SESSION_URL" >> "$GITHUB_OUTPUT"
          echo "pr_url=$PR_URL" >> "$GITHUB_OUTPUT"

      - name: Job summary
        run: |
          {
            echo "### Copilot Agent Job Created";
            echo "* Job ID: ${{ steps.submit.outputs.job_id }}";
            echo "* State: ${{ steps.submit.outputs.job_state }}";
            if [ -n "${{ steps.submit.outputs.session_url }}" ]; then
              echo "* Session: ${{ steps.submit.outputs.session_url }}";
            fi
            if [ -n "${{ steps.submit.outputs.pr_url }}" ] && [ "${{ steps.submit.outputs.pr_url }}" != "null" ]; then
              echo "* PR (if opened yet): ${{ steps.submit.outputs.pr_url }}";
            fi
          } >> "$GITHUB_STEP_SUMMARY"