# When you push to feature/*, fix/*, or bugfix/*, open a PR into development if none exists yet.
# Runs entirely on GitHub Actions (no local GitHub CLI required).
#
# REQUIRED — or POST /pulls returns 403 "not permitted to create or approve pull requests":
#   Repo: Settings -> Actions -> General -> Workflow permissions
#   - Select "Read and write permissions"
#   - Enable "Allow GitHub Actions to create and approve pull requests"
#   Orgs: enable the same policy at the organization level first, then the repo checkbox unlocks.
name: Open PR to development

on:
  push:
    branches:
      - "feature/**"
      - "fix/**"
      - "bugfix/**"

permissions:
  contents: read
  pull-requests: write

jobs:
  open-pr:
    runs-on: ubuntu-latest
    if: ${{ !github.event.repository.fork }}
    steps:
      - name: Create pull request if missing
        uses: actions/github-script@v8
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const branch = context.ref.replace("refs/heads/", "");
            const head = `${owner}:${branch}`;

            const { data: openPrs } = await github.rest.pulls.list({
              owner,
              repo,
              head,
              base: "development",
              state: "open",
              per_page: 100,
            });
            if (openPrs.length > 0) {
              console.log(`Open PR already exists: #${openPrs[0].number}`);
              return;
            }

            const { data: commit } = await github.rest.repos.getCommit({
              owner,
              repo,
              ref: context.sha,
            });
            const raw = commit.commit.message || "";
            const title = (raw.split("\n")[0] || branch).trim().slice(0, 300) || branch;
            const body = [
              `Opened automatically when \`${branch}\` was pushed.`,
              "",
              "_Edit the title or description if needed._",
            ].join("\n");

            const { data: created } = await github.rest.pulls.create({
              owner,
              repo,
              title,
              head: branch,
              base: "development",
              body,
            });
            console.log(`Created PR #${created.number}: ${created.html_url}`);