name: Create pre-release

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  check-if-release-needed:
    runs-on: ubuntu-22.04
    outputs:
      latest-commit-sha: ${{ steps.get-latest-commit.outputs.result }}
      has-new-commits: ${{ steps.check-for-new-commits.outputs.has-new-commits }}
    steps:
      - name: Extract branch name
        id: extract-branch-name
        run: |
          echo "result=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> "$GITHUB_OUTPUT"
      - name: Sanity checks
        if: ${{ github.event_name == 'workflow_dispatch' && steps.extract-branch-name.outputs.result != 'develop' }}
        run: |
          echo "::error::this workflow can only be run on the \"develop\" branch"
          exit 1

      - name: Get latest nightly-tagged commit
        id: get-latest-tag
        env:
          CI_RELEASE_TOKEN: ${{ secrets.CI_RELEASE_TOKEN }}
        run: |
          api_url="${GITEA_API_URL:-https://git.illegalfiles.icu/api/v1}"
          repo="${GITEA_REPOSITORY:-vlad.os/LuaCsForBarotraumaEP}"

          ref=$(curl -s -H "Authorization: token $CI_RELEASE_TOKEN" \
            "$api_url/repos/$repo/tags" | \
            jq -r '.[] | select(.name == "nightly") | .commit.sha // empty')

          if [[ -z "$ref" ]]; then
            echo "result=tag-doesnt-exist" >> "$GITHUB_OUTPUT"
          else
            echo "result=$ref" >> "$GITHUB_OUTPUT"
          fi

      - name: Get latest commit on dev branch
        id: get-latest-commit
        env:
          CI_RELEASE_TOKEN: ${{ secrets.CI_RELEASE_TOKEN }}
        run: |
          api_url="${GITEA_API_URL:-https://git.illegalfiles.icu/api/v1}"
          repo="${GITEA_REPOSITORY:-vlad.os/LuaCsForBarotraumaEP}"

          sha=$(curl -s -H "Authorization: token $CI_RELEASE_TOKEN" \
            "$api_url/repos/$repo/branches/develop" | \
            jq -r '.commit.id // empty')

          echo "result=$sha" >> "$GITHUB_OUTPUT"

      - name: Check for new commits
        id: check-for-new-commits
        if: ${{ steps.get-latest-tag.outputs.result != 'tag-doesnt-exist' }}
        env:
          LATEST_TAGGED_SHA: "${{ steps.get-latest-tag.outputs.result }}"
          LATEST_SHA: "${{ steps.get-latest-commit.outputs.result }}"
        run: |
          if [[ -z "$LATEST_TAGGED_SHA" ]]; then
            echo "::error::LATEST_TAGGED_SHA env var is invalid"
            exit 1
          fi
          if [[ -z "$LATEST_SHA" ]]; then
            echo "::error::LATEST_TAGGED_SHA env var is invalid"
            exit 1
          fi

          if [[ "$LATEST_TAGGED_SHA" == "$LATEST_SHA" ]]; then
            echo "has-new-commits=false" >> "$GITHUB_OUTPUT"
          else
            echo "has-new-commits=true" >> "$GITHUB_OUTPUT"
          fi

  publish-release:
    needs: [check-if-release-needed]
    if: ${{ needs.check-if-release-needed.outputs.has-new-commits == 'true' }}
    uses: ./.gitea/workflows/publish-release.yml
    with:
      target: ${{ needs.check-if-release-needed.outputs.latest-commit-sha }}
      tag: nightly
      prerelease: true