name: Flatpak release job

on:
  workflow_call:
    inputs:
      ryujinx_version:
        required: true
        type: string


concurrency: flatpak-release

jobs:
  release:
    timeout-minutes: ${{ fromJSON(vars.JOB_TIMEOUT) }}
    runs-on: ubuntu-latest

    env:
      NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
      GIT_COMMITTER_NAME: "RyujinxBot"
      GIT_COMMITTER_EMAIL: "61127645+RyujinxBot@users.noreply.github.com"
      RYUJINX_PROJECT_FILE: "src/Ryujinx/Ryujinx.csproj"
      NUGET_SOURCES_DESTDIR: "nuget-sources"
      RYUJINX_VERSION: "${{ inputs.ryujinx_version }}"

    steps:
      - uses: actions/checkout@v4
        with:
          path: Ryujinx

      - uses: actions/setup-dotnet@v4
        with:
          global-json-file: Ryujinx/global.json

      - name: Get version info
        id: version_info
        working-directory: Ryujinx
        run: |
          echo "git_hash=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT

      - uses: actions/checkout@v4
        with:
          repository: flathub/org.ryujinx.Ryujinx
          token: ${{ secrets.RYUJINX_BOT_PAT }}
          submodules: recursive
          path: flathub

      - name: Install dependencies
        run: python -m pip install PyYAML lxml

      - name: Restore Nuget packages
        # With .NET 8.0.100, Microsoft.NET.ILLink.Tasks isn't restored by default and only seems to appear when publishing.
        # So we just publish to grab the dependencies
        run: |
          dotnet publish -c Release -r linux-x64 Ryujinx/${{ env.RYUJINX_PROJECT_FILE }} --self-contained
          dotnet publish -c Release -r linux-arm64 Ryujinx/${{ env.RYUJINX_PROJECT_FILE }} --self-contained

      - name: Generate nuget_sources.json
        shell: python
        run: |
          import hashlib
          from pathlib import Path
          import base64
          import binascii
          import json
          import os
          import urllib.request

          sources = []


          def create_source_from_external(name, version):
              full_dir_path = Path(os.environ["NUGET_PACKAGES"]).joinpath(name).joinpath(version)
              os.makedirs(full_dir_path, exist_ok=True)

              filename = "{}.{}.nupkg".format(name, version)
              url = "https://api.nuget.org/v3-flatcontainer/{}/{}/{}".format(
                  name, version, filename
              )

              print(f"Processing {url}...")
              response = urllib.request.urlopen(url)
              sha512 = hashlib.sha512(response.read()).hexdigest()

              return {
                  "type": "file",
                  "url": url,
                  "sha512": sha512,
                  "dest": os.environ["NUGET_SOURCES_DESTDIR"],
                  "dest-filename": filename,
              }


          has_added_x64_apphost = False

          for path in Path(os.environ["NUGET_PACKAGES"]).glob("**/*.nupkg.sha512"):
              name = path.parent.parent.name
              version = path.parent.name
              filename = "{}.{}.nupkg".format(name, version)
              url = "https://api.nuget.org/v3-flatcontainer/{}/{}/{}".format(
                  name, version, filename
              )

              with path.open() as fp:
                  sha512 = binascii.hexlify(base64.b64decode(fp.read())).decode("ascii")

              sources.append(
                  {
                      "type": "file",
                      "url": url,
                      "sha512": sha512,
                      "dest": os.environ["NUGET_SOURCES_DESTDIR"],
                      "dest-filename": filename,
                  }
              )

              # .NET will not add current installed application host to the list, force inject it here.
              if not has_added_x64_apphost and name.startswith('microsoft.netcore.app.host'):
                  sources.append(create_source_from_external("microsoft.netcore.app.host.linux-x64", version))
                  has_added_x64_apphost = True

          with open("flathub/nuget_sources.json", "w") as fp:
              json.dump(sources, fp, indent=4)

      - name: Update flatpak metadata
        id: metadata
        env:
          RYUJINX_GIT_HASH: ${{ steps.version_info.outputs.git_hash }}
        shell: python
        run: |
          import hashlib
          import hmac
          import json
          import os
          import yaml
          from datetime import datetime
          from lxml import etree
          
          
          # Ensure we don't destroy multiline strings
          def str_presenter(dumper, data):
            if len(data.splitlines()) > 1:
              return dumper.represent_scalar("tag:yaml.org,2002:str", data, style="|")
            return dumper.represent_scalar("tag:yaml.org,2002:str", data)
            
            
          yaml.representer.SafeRepresenter.add_representer(str, str_presenter)
  
          yaml_file = "flathub/org.ryujinx.Ryujinx.yml"
          xml_file = "flathub/org.ryujinx.Ryujinx.appdata.xml"

          with open(yaml_file, "r") as f:
            data = yaml.safe_load(f)

          for source in data["modules"][0]["sources"]:
            if type(source) is str:
              continue
            if (
              source["type"] == "git"
              and source["url"] == "https://github.com/Ryujinx/Ryujinx.git"
            ):
              source["commit"] = os.environ['RYUJINX_GIT_HASH']

          is_same_version = data["modules"][0]["build-options"]["env"]["RYUJINX_VERSION"] == os.environ['RYUJINX_VERSION']

          with open(os.environ['GITHUB_OUTPUT'], "a") as gh_out:
            if is_same_version:
              gh_out.write(f"commit_message=Retry update to {os.environ['RYUJINX_VERSION']}")
            else:
              gh_out.write(f"commit_message=Update to {os.environ['RYUJINX_VERSION']}")

          if not is_same_version:
            data["modules"][0]["build-options"]["env"]["RYUJINX_VERSION"] = os.environ['RYUJINX_VERSION']

            with open(yaml_file, "w") as f:
                yaml.safe_dump(data, f, sort_keys=False)

            parser = etree.XMLParser(remove_blank_text=True)
            tree = etree.parse(xml_file, parser)

            root = tree.getroot()

            releases = root.find("releases")

            element = etree.Element("release")
            element.set("version", os.environ['RYUJINX_VERSION'])
            element.set("date", datetime.now().date().isoformat())
            releases.insert(0, element)

            # Ensure 4 spaces
            etree.indent(root, space="    ")

            with open(xml_file, "wb") as f:
              f.write(
                etree.tostring(
                  tree,
                  pretty_print=True,
                  encoding="UTF-8",
                  doctype='<?xml version="1.0" encoding="UTF-8"?>',
                )
              )

      - name: Push flatpak update
        working-directory: flathub
        env:
          COMMIT_MESSAGE: ${{ steps.metadata.outputs.commit_message }}
        run: |
          git config user.name "${{ env.GIT_COMMITTER_NAME }}"
          git config user.email "${{ env.GIT_COMMITTER_EMAIL }}"
          git add .
          git commit -m "$COMMIT_MESSAGE"
          git push origin master