# .github/workflows/star-milestones.yml
name: ⭐ Star Milestone Tracker

on:
  schedule:
    - cron: '0 * * * *'
  workflow_dispatch:
    inputs:
      force_check:
        description: 'Force milestone check regardless of current state'
        required: false
        default: 'false'

permissions:
  actions: write

concurrency:
  group: star-milestone-check
  cancel-in-progress: false

env:
  REPO: mukul975/Anthropic-Cybersecurity-Skills
  MILESTONE_INTERVAL: 500
  VAR_NAME: LAST_STAR_MILESTONE

jobs:
  check-stars:
    runs-on: ubuntu-latest
    timeout-minutes: 5

    steps:
      - name: Fetch star count
        id: stars
        run: |
          RESPONSE=$(curl -s -o /tmp/repo.json -w "%{http_code}" \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github+json" \
            "https://api.github.com/repos/$REPO")

          if [ "$RESPONSE" != "200" ]; then
            echo "❌ GitHub API error: $RESPONSE"
            exit 1
          fi

          STARS=$(jq .stargazers_count /tmp/repo.json)
          FORKS=$(jq .forks_count /tmp/repo.json)
          echo "stars=$STARS" >> $GITHUB_OUTPUT
          echo "forks=$FORKS" >> $GITHUB_OUTPUT
          echo "✅ Stars: $STARS | Forks: $FORKS"

      - name: Fetch last milestone
        id: last
        run: |
          RESPONSE=$(curl -s -o /tmp/var.json -w "%{http_code}" \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github+json" \
            "https://api.github.com/repos/$REPO/actions/variables/$VAR_NAME")

          echo "status=$RESPONSE" >> $GITHUB_OUTPUT

          if [ "$RESPONSE" = "200" ]; then
            LAST=$(jq -r '.value' /tmp/var.json)
          else
            LAST="INIT"
          fi
          echo "value=$LAST" >> $GITHUB_OUTPUT
          echo "📌 Last milestone: $LAST"

      - name: Evaluate milestone
        id: milestone
        run: |
          STARS=${{ steps.stars.outputs.stars }}
          LAST="${{ steps.last.outputs.value }}"

          CURRENT=$(( (STARS / MILESTONE_INTERVAL) * MILESTONE_INTERVAL ))
          NEXT=$(( CURRENT + MILESTONE_INTERVAL ))
          REMAINING=$(( NEXT - STARS ))
          PROGRESS=$(( (STARS % MILESTONE_INTERVAL) * 100 / MILESTONE_INTERVAL ))

          echo "current=$CURRENT"     >> $GITHUB_OUTPUT
          echo "next=$NEXT"           >> $GITHUB_OUTPUT
          echo "remaining=$REMAINING" >> $GITHUB_OUTPUT
          echo "progress=$PROGRESS"   >> $GITHUB_OUTPUT

          if [ "$LAST" = "INIT" ]; then
            echo "notify=false" >> $GITHUB_OUTPUT
            echo "init=true"    >> $GITHUB_OUTPUT
            echo "🚀 First run — initializing baseline at $CURRENT, no notification sent"

          elif [ "$CURRENT" -gt "$LAST" ] && [ "$CURRENT" -gt 0 ]; then
            echo "notify=true"  >> $GITHUB_OUTPUT
            echo "init=false"   >> $GITHUB_OUTPUT
            echo "🎉 NEW MILESTONE: $CURRENT (was $LAST)"

          else
            echo "notify=false" >> $GITHUB_OUTPUT
            echo "init=false"   >> $GITHUB_OUTPUT
            echo "💤 No new milestone. Next: $NEXT in $REMAINING stars ($PROGRESS% there)"
          fi

      - name: Send Slack notification
        if: steps.milestone.outputs.notify == 'true'
        run: |
          STARS=${{ steps.stars.outputs.stars }}
          FORKS=${{ steps.stars.outputs.forks }}
          MILESTONE=${{ steps.milestone.outputs.current }}
          NEXT=${{ steps.milestone.outputs.next }}
          REMAINING=${{ steps.milestone.outputs.remaining }}
          PROGRESS=${{ steps.milestone.outputs.progress }}

          if   [ "$MILESTONE" -ge 10000 ]; then BADGE="🏆"
          elif [ "$MILESTONE" -ge  5000 ]; then BADGE="🔥"
          elif [ "$MILESTONE" -ge  2500 ]; then BADGE="🚀"
          elif [ "$MILESTONE" -ge  1000 ]; then BADGE="💫"
          else BADGE="⭐"
          fi

          curl -s -X POST "${{ secrets.SLACK_WEBHOOK_URL }}" \
            -H 'Content-type: application/json' \
            -d "{
              \"text\": \"$BADGE *$MILESTONE Star Milestone Reached!*\",
              \"attachments\": [{
                \"color\": \"#FFD700\",
                \"blocks\": [
                  {
                    \"type\": \"section\",
                    \"fields\": [
                      {\"type\": \"mrkdwn\", \"text\": \"*🎯 Milestone*\n$MILESTONE stars\"},
                      {\"type\": \"mrkdwn\", \"text\": \"*⭐ Total Stars*\n$STARS\"},
                      {\"type\": \"mrkdwn\", \"text\": \"*🍴 Forks*\n$FORKS\"},
                      {\"type\": \"mrkdwn\", \"text\": \"*🔜 Next Milestone*\n$NEXT ($REMAINING to go — $PROGRESS% there)\"}
                    ]
                  },
                  {
                    \"type\": \"actions\",
                    \"elements\": [{
                      \"type\": \"button\",
                      \"text\": {\"type\": \"plain_text\", \"text\": \"View Repo ↗\"},
                      \"url\": \"https://github.com/$REPO\",
                      \"style\": \"primary\"
                    }]
                  }
                ]
              }]
            }"
          echo "✅ Slack notified"

      - name: Save milestone
        if: steps.milestone.outputs.notify == 'true' || steps.milestone.outputs.init == 'true'
        run: |
          MILESTONE=${{ steps.milestone.outputs.current }}
          STATUS=${{ steps.last.outputs.status }}

          if [ "$STATUS" = "200" ]; then
            METHOD="PATCH"
            URL="https://api.github.com/repos/$REPO/actions/variables/$VAR_NAME"
          else
            METHOD="POST"
            URL="https://api.github.com/repos/$REPO/actions/variables"
          fi

          HTTP=$(curl -s -o /dev/null -w "%{http_code}" \
            -X "$METHOD" \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github+json" \
            -H "Content-type: application/json" \
            "$URL" \
            -d "{\"name\":\"$VAR_NAME\",\"value\":\"$MILESTONE\"}")

          if [ "$HTTP" = "200" ] || [ "$HTTP" = "201" ] || [ "$HTTP" = "204" ]; then
            echo "✅ Saved $VAR_NAME = $MILESTONE"
          else
            echo "❌ Failed to save variable (HTTP $HTTP)"
            exit 1
          fi

      - name: Summary
        run: |
          echo "## ⭐ Star Tracker Run" >> $GITHUB_STEP_SUMMARY
          echo "| Field | Value |" >> $GITHUB_STEP_SUMMARY
          echo "|---|---|" >> $GITHUB_STEP_SUMMARY
          echo "| Current Stars | ${{ steps.stars.outputs.stars }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Current Forks | ${{ steps.stars.outputs.forks }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Last Milestone | ${{ steps.last.outputs.value }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Next Milestone | ${{ steps.milestone.outputs.next }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Stars to Next | ${{ steps.milestone.outputs.remaining }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Progress | ${{ steps.milestone.outputs.progress }}% |" >> $GITHUB_STEP_SUMMARY
          echo "| Notified | ${{ steps.milestone.outputs.notify }} |" >> $GITHUB_STEP_SUMMARY