name: Load Test (Full)

on:
  issue_comment:
    types: [created]

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

jobs:
  loadtest:
    # Only run on PR comments with /loadtest command
    if: |
      github.event.issue.pull_request &&
      contains(github.event.comment.body, '/loadtest')
    runs-on: ubuntu-latest

    steps:
      - name: Add reaction to comment
        uses: actions/github-script@v7
        with:
          script: |
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: context.payload.comment.id,
              content: 'rocket'
            });

      - name: Get PR details
        id: pr
        uses: actions/github-script@v7
        with:
          script: |
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });
            core.setOutput('head_ref', pr.data.head.ref);
            core.setOutput('head_sha', pr.data.head.sha);
            core.setOutput('base_ref', pr.data.base.ref);
            core.setOutput('base_sha', pr.data.base.sha);
            console.log(`PR #${context.issue.number}: ${pr.data.head.ref} -> ${pr.data.base.ref}`);

      - name: Checkout PR branch
        uses: actions/checkout@v4
        with:
          ref: ${{ steps.pr.outputs.head_sha }}
          fetch-depth: 0  # Full history for building from base ref

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'
          cache: false

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Install kind
        run: |
          curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.20.0/kind-linux-amd64
          chmod +x ./kind
          sudo mv ./kind /usr/local/bin/kind

      - name: Install kubectl
        run: |
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x kubectl
          sudo mv kubectl /usr/local/bin/kubectl

      - name: Run full A/B comparison load test
        id: loadtest
        uses: ./.github/actions/loadtest
        with:
          old-ref: ${{ steps.pr.outputs.base_sha }}
          new-ref: ${{ steps.pr.outputs.head_sha }}
          scenarios: 'all'
          test-type: 'full'
          post-comment: 'true'
          pr-number: ${{ github.event.issue.number }}
          comment-header: |
            ## Load Test Results (Full A/B Comparison)
            **Comparing:** `${{ steps.pr.outputs.base_ref }}` → `${{ steps.pr.outputs.head_ref }}`
            **Triggered by:** @${{ github.event.comment.user.login }}

      - name: Add success reaction
        if: steps.loadtest.outputs.status == 'pass'
        uses: actions/github-script@v7
        with:
          script: |
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: context.payload.comment.id,
              content: '+1'
            });

      - name: Add failure reaction
        if: steps.loadtest.outputs.status == 'fail'
        uses: actions/github-script@v7
        with:
          script: |
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: context.payload.comment.id,
              content: '-1'
            });