name: On_Push

on:
  push:
    branches:
      - 'main'
    paths:
      - .forgejo/**/*
      - Committee/**/Handovers/*
      - Minutes/**/*
      - Committee/**/Budget/*
      - Events/**/*
  # so we can manually build the artifacts
  workflow_dispatch:

jobs:
  changes:
    runs-on: nix
    # Required permissions
    permissions:
      pull-requests: read
    # Set job outputs to values from filter step
    outputs:
      scripts: ${{ steps.filter.outputs.changes }}
    steps:
      # make sure the code is available
      - uses: https://code.forgejo.org/actions/checkout@v4
      - uses: https://forgejo.skynet.ie/Skynet/actions/get_lfs@v3
        with:
          repository: ${{ gitea.repository }}
          ref_name: ${{ gitea.ref_name }}
      # For pull requests it's not necessary to checkout the code
      - uses: https://github.com/dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            minutes:
              - 'Minutes/**/*'
            events:
              - 'Events/**/*'
            handovers:
              - 'Committee/**/Handovers/*'
            budgets:
              - 'Committee/**/Budget/*'

  # rust code must be formatted for standardisation
  pdfs:
    # build it using teh base nixos system, helps with caching
    runs-on: nix
    needs: changes
    strategy:
      matrix:
        # script: [ handovers, minutes, budget, events ]
        script: ${{ fromJSON(needs.changes.outputs.scripts) }}
    permissions:
      # needs this to create tags and releases
      contents: write
    steps:
      # the if statements are to only run if there are changes in the sub dir
      # get the repo first
      - uses: https://code.forgejo.org/actions/checkout@v4
      - uses: https://forgejo.skynet.ie/Skynet/actions/get_lfs@v3
        with:
          repository: ${{ gitea.repository }}
          ref_name: ${{ gitea.ref_name }}
      # actual script to run the build process
      - run: nix run .#${{ matrix.script }}
      # zip the files so they can be released
      - run: |
          mkdir releases
          zip -r releases/${{ matrix.script }}.zip pdf_${{ matrix.script }}
      # upload them so they are available at https://forgejo.skynet.ie/Computer_Society/open-goverance/releases/tag/minutes_latest
      - uses: https://forgejo.skynet.ie/Skynet/actions-forgejo-release@v1
        with:
          token: ${{ secrets.API_TOKEN_FORGEJO }}
          direction: upload
          release-dir: releases
          url: https://forgejo.skynet.ie
          repo: Computer_Society/open-goverance
          title: "PDFs of ${{ matrix.script }}"
          tag: "${{ matrix.script }}_latest"
          # basically replace an existing release if it exists
          override: true