name: duplicate-issues

on:
  issues:
    types: [opened]

jobs:
  check-duplicates:
    runs-on: blacksmith-4vcpu-ubuntu-2404
    permissions:
      contents: read
      issues: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - uses: ./.github/actions/setup-bun

      - name: Install dependencies
        run: bun install

      - name: Install opencode
        run: curl -fsSL https://opencode.ai/install | bash

      - name: Build prompt
        uses: actions/github-script@v8
        with:
          script: |
            const fs = require("fs")
            const issue = context.payload.issue
            const body = issue.body ?? ""
            const text = [
              "Check this new issue for compliance and duplicates:",
              "",
              `CURRENT_ISSUE_NUMBER: ${issue.number}`,
              "",
              `Title: ${issue.title}`,
              "",
              "Description:",
              body,
            ].join("\n")

            fs.writeFileSync("issue_info.txt", text)

      - name: Check duplicates and compliance
        env:
          OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          bun script/duplicate-issue.ts -f issue_info.txt "Check the attached file for issue details and return either a comment body or No action required" > issue_comment.txt

      - name: Post comment and label issue
        env:
          COMMENT: ${{ github.workspace }}/issue_comment.txt
        uses: actions/github-script@v8
        with:
          script: |
            const fs = require("fs")
            const comment = fs.readFileSync(process.env.COMMENT, "utf8").trim()

            if (comment === "No action required") {
              core.info("No comment needed")
              return
            }

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.payload.issue.number,
              body: `_The following comment was made by an LLM, it may be inaccurate:_\n\n${comment}`,
            })

            if (!comment.includes("<!-- issue-compliance -->")) return

            await github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.payload.issue.number,
              labels: ["needs:compliance"],
            })