setup_test.yml

name: Test setup.sh

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  workflow_dispatch:

permissions:
  issues: write
  contents: read

env:
  ERROR_LOG: /tmp/charvim_setup_errors.log

jobs:
  test-setup:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt-get install -y git curl jq 2>/dev/null

      - name: Make setup.sh executable
        run: chmod +x setup.sh

      # ── Test 1: fresh install ──────────────────────────────────────────────
      - name: Test fresh installation
        run: |
          OUTPUT=$(./setup.sh 2>&1)
          echo "$OUTPUT"

          if [ ! -L "$HOME/.config/nvim" ]; then
            printf "\n=== Fresh install FAILED: symlink not created ===\n%s\n" "$OUTPUT" >> "$ERROR_LOG"
            exit 1
          fi

          TARGET=$(readlink "$HOME/.config/nvim")
          EXPECTED="$(pwd)/nvim"
          echo "Symlink: $TARGET"

          if [ "$TARGET" != "$EXPECTED" ]; then
            printf "\n=== Fresh install FAILED: wrong symlink target ===\nExpected: %s\nGot: %s\n" \
              "$EXPECTED" "$TARGET" >> "$ERROR_LOG"
            exit 1
          fi

          [ -d "$HOME/.config/nvim" ] || {
            echo "ERROR: config dir not accessible via symlink" | tee -a "$ERROR_LOG"
            exit 1
          }

          echo "Fresh install OK"

      # ── Test 2: backup of existing config ─────────────────────────────────
      - name: Test backup of existing config
        run: |
          rm -f "$HOME/.config/nvim"
          rm -rf "$HOME/.config/nvim.bak."*

          mkdir -p "$HOME/.config/nvim"
          echo "old config" > "$HOME/.config/nvim/init.lua"

          ./setup.sh 2>&1

          BACKUP=$(ls -d "$HOME/.config"/nvim.bak.* 2>/dev/null | head -1)
          if [ -z "$BACKUP" ]; then
            echo "ERROR: backup not created" | tee -a "$ERROR_LOG"
            exit 1
          fi

          CONTENT=$(cat "$BACKUP/init.lua" 2>/dev/null)
          if [ "$CONTENT" != "old config" ]; then
            printf "ERROR: backup content wrong. Got: %s\n" "$CONTENT" | tee -a "$ERROR_LOG"
            exit 1
          fi

          if [ ! -L "$HOME/.config/nvim" ]; then
            echo "ERROR: symlink not recreated after backup" | tee -a "$ERROR_LOG"
            exit 1
          fi

          echo "Backup test OK"

      # ── Test 3: idempotent re-run ──────────────────────────────────────────
      - name: Test idempotent re-run
        run: |
          ./setup.sh 2>&1
          if [ ! -L "$HOME/.config/nvim" ]; then
            echo "ERROR: symlink missing after re-run" | tee -a "$ERROR_LOG"
            exit 1
          fi
          echo "Re-run OK"

      # ── AI error reporting ─────────────────────────────────────────────────
      - name: Install Ollama
        if: failure()
        run: |
          curl -fsSL https://ollama.com/install.sh | sh
          ollama serve &>/dev/null &
          echo "Waiting for Ollama..."
          for i in $(seq 1 20); do
            curl -sf http://localhost:11434/ && break || sleep 2
          done

      - name: Pull Gemma model
        if: failure()
        run: ollama pull gemma3:1b

      - name: Generate error report with Gemma
        if: failure()
        id: ai_report
        run: |
          ERROR_CONTENT=$(cat "$ERROR_LOG" 2>/dev/null | tail -200 || echo "No error log captured")

          PROMPT="You are a CI assistant for the CharVim Neovim configuration project. \
          Analyze this setup.sh test failure and produce a structured GitHub issue report. \
          Include: 1) A short title (max 80 chars, no markdown), 2) What step failed and why, \
          3) The most likely root cause, 4) Steps to fix it. Use Markdown.\n\n\
          Repository: CharVim (Neovim config), Workflow: Test setup.sh\n\
          Error output:\n\`\`\`\n${ERROR_CONTENT}\n\`\`\`"

          RESPONSE=$(curl -s --max-time 180 http://localhost:11434/api/generate \
            -H "Content-Type: application/json" \
            -d "$(jq -n \
              --arg model "gemma3:1b" \
              --arg prompt "$PROMPT" \
              '{model: $model, prompt: $prompt, stream: false}')" \
            | jq -r '.response // "AI analysis unavailable — see raw output below."')

          TITLE=$(echo "$RESPONSE" | grep -m1 -v '^[[:space:]]*$' \
            | sed 's/^[#*[:space:]]*//' | cut -c1-80)
          [ -z "$TITLE" ] && TITLE="setup.sh test failure on $(date +%Y-%m-%d)"

          echo "issue_title=$TITLE" >> "$GITHUB_OUTPUT"

          cat > /tmp/issue_body.md << 'BODYEOF'
          ## CI Failure — Test setup.sh
          BODYEOF

          cat >> /tmp/issue_body.md << BODYEOF

          | | |
          |---|---|
          | **Workflow** | \`${{ github.workflow }}\` |
          | **Run** | [${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) |
          | **Commit** | \`${{ github.sha }}\` |
          | **Branch** | \`${{ github.ref_name }}\` |
          | **Triggered by** | ${{ github.actor }} |

          ---

          ## Gemma Analysis

          ${RESPONSE}

          ---

          <details>
          <summary>Raw CI error output</summary>

          \`\`\`
          $(cat "$ERROR_LOG" 2>/dev/null | tail -200 || echo "No log captured")
          \`\`\`

          </details>
          BODYEOF

      - name: Create GitHub issue
        if: failure() && github.event_name != 'pull_request'
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const fs = require('fs');
            let body;
            try {
              body = fs.readFileSync('/tmp/issue_body.md', 'utf8');
            } catch {
              body = 'setup.sh test failed. See run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}';
            }

            const title = 'CI: ${{ steps.ai_report.outputs.issue_title }}' || 'CI: setup.sh test failure';

            await github.rest.issues.create({
              owner: context.repo.owner,
              repo:  context.repo.repo,
              title: title.substring(0, 256),
              body:  body,
              labels: ['bug', 'ci'],
            });
            console.log('Issue created.');