d2d-compare.yml

name: Compare D2D solutions

on:
  issue_comment:
    types: created

permissions:
  contents: read
  pull-requests: write

jobs:
  input-check:
    name: Check input
    if: ${{ github.event.issue.pull_request && startsWith(github.event.comment.body, '/d2d-compare') && github.event.comment.author_association == 'OWNER' }}
    runs-on: ubuntu-latest

    steps:
      - name: Parse and check input
        run: |
          dot="\."
          problem="${{ github.event.comment.body }}"
          problem=$(echo ${problem#"/d2d-compare"} | xargs)
          echo -n "$problem" > input.txt
          echo "$problem"
          [[ "$problem" =~ ^[0-9]+$dot[0-9]+$dot[0-9]+$ ]]
          exit $?

      - name: Upload parsed input
        uses: actions/upload-artifact@v3
        with:
          name: solutions
          path: input.txt

      - name: Send comment on failure
        if: ${{ failure() }}
        uses: actions/github-script@v7
        with:
          retries: 3
          script: |
            var fs = require("fs");
            await fs.readFile(
              "input.txt",
              "utf-8",
              function(error, data) {
                if (error) throw error;
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: ${{ github.event.issue.number }},
                  body: `❌ Invalid input \`${data}\``,
                });
              }
            );

      - name: Add reaction to comment
        uses: actions/github-script@v7
        with:
          retries: 3
          script: |
            await github.rest.reactions.createForIssueComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: ${{ github.event.comment.id }},
              content: "+1",
            });

  pr-test:
    name: Test on PR
    runs-on: ubuntu-latest
    needs: input-check
    strategy:
      matrix:
        counter: [1, 2]

    steps:
      - name: Get PR branch name
        id: get-branch
        uses: actions/github-script@v7
        with:
          script: |
            try {
              var result = await github.rest.pulls.get({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: ${{ github.event.issue.number }},
              });
              return result.data;
            } catch (e) {
              core.setFailed(`Failed to get branch name of PR#${{ github.event.issue.number }}: ${e}`);
            }

      - name: Checkout PR branch
        uses: actions/checkout@v3
        with:
          ref: ${{ fromJSON(steps.get-branch.outputs.result).head.ref }}

      - name: Setup Python
        uses: actions/setup-python@v4

      - name: Install dependencies
        run: pip install -r dev-requirements.txt

      - name: Download parsed input
        uses: actions/download-artifact@v3
        with:
          name: solutions

      - name: Run test
        run: |
          problem=$(cat input.txt)
          python d2d.py "$problem" \
          --drone-config-mapping 3 3 3 3 \
          --pool-size 8 \
          --dump PR#${{ github.event.issue.number }}-run#${{ matrix.counter }}.json

      - name: Upload solution
        uses: actions/upload-artifact@v3
        with:
          name: solutions
          path: PR#${{ github.event.issue.number }}-run#${{ matrix.counter }}.json

  main-test:
    name: Test on main
    runs-on: ubuntu-latest
    needs: input-check
    strategy:
      matrix:
        counter: [1, 2]

    steps:
      - name: Checkout main branch
        uses: actions/checkout@v3
        with:
          ref: main

      - name: Setup Python
        uses: actions/setup-python@v4

      - name: Install dependencies
        run: pip install -r dev-requirements.txt

      - name: Download parsed input
        uses: actions/download-artifact@v3
        with:
          name: solutions

      - name: Run test
        run: |
          problem=$(cat input.txt)
          python d2d.py "$problem" \
          --drone-config-mapping 3 3 3 3 \
          --pool-size 8 \
          --dump main-run#${{ matrix.counter }}.json 

      - name: Upload solution
        uses: actions/upload-artifact@v3
        with:
          name: solutions
          path: main-run#${{ matrix.counter }}.json

  compare:
    name: Compare solutions
    if: ${{ github.event.issue.pull_request }}
    needs: [pr-test, main-test]
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Python
        uses: actions/setup-python@v4

      - name: Install dependencies
        run: pip install -r dev-requirements.txt

      - name: Download solutions
        uses: actions/download-artifact@v3
        with:
          name: solutions

      - name: Combine solutions and compare
        run: |
          export PYTHONPATH=$GITHUB_WORKSPACE
          python scripts/d2d-compare.py PR#${{ github.event.issue.number }}-run#1.json PR#${{ github.event.issue.number }}-run#2.json main-run#1.json main-run#2.json

      - name: Upload compare result as artifact
        uses: actions/upload-artifact@v3
        with:
          name: solutions
          path: compare.png

      - name: Upload compare result to catbox.moe
        run: |
          url=$(curl -F "reqtype=fileupload" -F "fileToUpload=@compare.png" "https://catbox.moe/user/api.php")
          errorcode=$?
          echo "$url"
          echo -n "$url" > url.txt
          exit $errorcode

      - name: Send completion notification
        uses: actions/github-script@v7
        with:
          retries: 3
          script: |
            var fs = require("fs");
            await fs.readFile("input.txt", "utf-8", async function (error, input) {
              if (error) throw error;
              await fs.readFile("url.txt", "utf-8", async function (error, url) {
                if (error) throw error;
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: ${{ github.event.issue.number }},
                  body: `🎉 Comparison request for D2D problem \`${input.trim()}\` completed! You can view the workflow results [here](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}).\n![compare.png](${url.trim()})`,
                });
              });
            });