name: Weekly Metrics to Discord
# description: Sends weekly metrics summary to Discord channel

on:
  schedule:
    - cron: "0 9 * * 1" # Every Monday at 9 AM
  workflow_dispatch:

permissions:
  contents: read
  issues: write
  pull-requests: read

jobs:
  weekly-metrics:
    runs-on: ubuntu-latest
    env:
      DISCORD_WEBHOOK: ${{ secrets.DISCORD_METRICS_WEBHOOK }}
    steps:
      - name: Get dates for last week
        run: |
          # Last 7 days
          first_day=$(date -d "7 days ago" +%Y-%m-%d)
          last_day=$(date +%Y-%m-%d)

          echo "first_day=$first_day" >> $GITHUB_ENV
          echo "last_day=$last_day" >> $GITHUB_ENV
          echo "week_of=$(date -d '7 days ago' +'Week of %B %d, %Y')" >> $GITHUB_ENV

      - name: Generate issue metrics
        uses: github/issue-metrics@v3
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SEARCH_QUERY: "repo:${{ github.repository }} is:issue created:${{ env.first_day }}..${{ env.last_day }}"
          HIDE_TIME_TO_ANSWER: true
          HIDE_LABEL_METRICS: false

      - name: Generate PR metrics
        uses: github/issue-metrics@v3
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SEARCH_QUERY: "repo:${{ github.repository }} is:pr created:${{ env.first_day }}..${{ env.last_day }}"
          OUTPUT_FILE: pr_metrics.md

      - name: Parse metrics
        id: metrics
        run: |
          # Parse the metrics from the generated markdown files
          if [ -f "issue_metrics.md" ]; then
            # Extract key metrics using grep/awk
            AVG_TIME_TO_FIRST_RESPONSE=$(grep -A 1 "Average time to first response" issue_metrics.md | tail -1 | xargs || echo "N/A")
            AVG_TIME_TO_CLOSE=$(grep -A 1 "Average time to close" issue_metrics.md | tail -1 | xargs || echo "N/A")
            NUM_ISSUES_CREATED=$(grep -oP '\d+(?= issues created)' issue_metrics.md || echo "0")
            NUM_ISSUES_CLOSED=$(grep -oP '\d+(?= issues closed)' issue_metrics.md || echo "0")
          fi

          if [ -f "pr_metrics.md" ]; then
            PR_AVG_TIME_TO_MERGE=$(grep -A 1 "Average time to close" pr_metrics.md | tail -1 | xargs || echo "N/A")
            NUM_PRS_CREATED=$(grep -oP '\d+(?= pull requests created)' pr_metrics.md || echo "0")
            NUM_PRS_MERGED=$(grep -oP '\d+(?= pull requests closed)' pr_metrics.md || echo "0")
          fi

          # Set outputs for Discord action
          echo "issues_created=${NUM_ISSUES_CREATED:-0}" >> $GITHUB_OUTPUT
          echo "issues_closed=${NUM_ISSUES_CLOSED:-0}" >> $GITHUB_OUTPUT
          echo "prs_created=${NUM_PRS_CREATED:-0}" >> $GITHUB_OUTPUT
          echo "prs_merged=${NUM_PRS_MERGED:-0}" >> $GITHUB_OUTPUT
          echo "avg_first_response=${AVG_TIME_TO_FIRST_RESPONSE:-N/A}" >> $GITHUB_OUTPUT
          echo "avg_time_to_close=${AVG_TIME_TO_CLOSE:-N/A}" >> $GITHUB_OUTPUT
          echo "pr_avg_merge_time=${PR_AVG_TIME_TO_MERGE:-N/A}" >> $GITHUB_OUTPUT

      - name: Send to Discord
        uses: sarisia/actions-status-discord@v1
        if: env.DISCORD_WEBHOOK != ''
        with:
          webhook: ${{ env.DISCORD_WEBHOOK }}
          status: Success
          title: "📊 Weekly Metrics Report"
          description: |
            **${{ env.week_of }}**
            
            **🎯 Issues**
            • Created: ${{ steps.metrics.outputs.issues_created }}
            • Closed: ${{ steps.metrics.outputs.issues_closed }}
            
            **🔀 Pull Requests**
            • Created: ${{ steps.metrics.outputs.prs_created }}
            • Merged: ${{ steps.metrics.outputs.prs_merged }}
            
            **⏱️ Response Times**
            • First Response: ${{ steps.metrics.outputs.avg_first_response }}
            • Time to Close: ${{ steps.metrics.outputs.avg_time_to_close }}
            • PR Merge Time: ${{ steps.metrics.outputs.pr_avg_merge_time }}
          color: 0x58AFFF
          username: Task Master Metrics Bot
          avatar_url: https://raw.githubusercontent.com/eyaltoledano/claude-task-master/main/images/logo.png