name: Run bouf Patch Generation
description: Generates OBS updater manifest and patches
inputs:
  gcsAccessKeyId:
    description: GCS S3 Access Key ID
    required: true
  gcsAccessKeySecret:
    description: GCS S3 Access Key Secret
    required: true
  workflowSecret:
    description: GitHub API token to use for API calls
    required: true
  tagName:
    description: GitHub Release tag
    required: true
  channel:
    description: Update channel
    required: false
    default: 'stable'

runs:
  using: composite
  steps:
    - uses: actions/checkout@v4
      with:
        path: "repo"
        fetch-depth: 0
        ref: ${{ inputs.tagName }}

    - name: Download Release Artifact
      shell: pwsh
      env:
        GH_TOKEN: ${{ inputs.workflowSecret }}
      run: |
        # Download OBS release
        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
        Invoke-External gh release download "${{ inputs.tagName }}" -p "OBS-Studio-${{ inputs.tagName }}-Windows.zip"
        Invoke-External gh attestation verify "OBS-Studio-${{ inputs.tagName }}-Windows.zip" --owner obsproject
        Expand-Archive -Path "OBS-Studio-${{ inputs.tagName }}-Windows.zip" -DestinationPath "${{ github.workspace }}/build"

    - name: Setup bouf
      shell: pwsh
      env:
        BOUF_TAG: 'v0.6.4'
        BOUF_HASH: 'aca6810e741dc38ff843fab7b25a0ad8570ee84f5595132cf0cc4a5b0131b4c4'
        BOUF_NSIS_HASH: 'ed453784486556bd959d56743a8478ad3f68fe0305e9b43ac19d8771d0515257'
        GH_TOKEN: ${{ github.token }}
      run: |
        # Download bouf release
        . ${env:GITHUB_ACTION_PATH}\Ensure-Location.ps1
        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
        Ensure-Location bouf
        $windows_zip = "bouf-windows-${env:BOUF_TAG}.zip"
        $nsis_zip = "bouf-nsis-${env:BOUF_TAG}.zip"
        Invoke-External gh release download "${env:BOUF_TAG}" -R "obsproject/bouf" -p $windows_zip -p $nsis_zip
        
        if ((Get-FileHash $windows_zip -Algorithm SHA256).Hash -ne "${env:BOUF_HASH}") {
          throw "bouf hash does not match."
        }
        if ((Get-FileHash $nsis_zip -Algorithm SHA256).Hash -ne "${env:BOUF_NSIS_HASH}") {
          throw "NSIS package hash does not match."
        }
        
        Expand-Archive -Path $windows_zip -DestinationPath bin
        Expand-Archive -Path $nsis_zip -DestinationPath nsis

    - name: Install rclone and pandoc
      shell: pwsh
      run: |
        choco install rclone pandoc -y --no-progress

    - name: Download Previous Builds
      shell: pwsh
      env:
        RCLONE_TRANSFERS: '100'
        RCLONE_FAST_LIST: 'true'
        RCLONE_EXCLUDE: '{pdbs/**,**/${{ inputs.tagName }}/**}'
        RCLONE_S3_PROVIDER: 'GCS'
        RCLONE_S3_ACCESS_KEY_ID: '${{ inputs.gcsAccessKeyId }}'
        RCLONE_S3_SECRET_ACCESS_KEY: '${{ inputs.gcsAccessKeySecret }}'
        RCLONE_S3_ENDPOINT: 'https://storage.googleapis.com'
      run: |
        rclone -q copy ":s3:obs-builds" "${{ github.workspace }}/old_builds"

    - name: Prepare Release Notes
      shell: pwsh
      run: |
        # Release notes are just the tag body on Windows
        Set-Location repo
        git tag -l --format='%(contents:subject)' ${{ inputs.tagName }} > "${{ github.workspace }}/notes.rst"
        Write-Output "###################################################" >> "${{ github.workspace }}/notes.rst"
        Write-Output "" >> "${{ github.workspace }}/notes.rst"
        git tag -l --format='%(contents:body)' ${{ inputs.tagName }} >> "${{ github.workspace }}/notes.rst"

    - name: Run bouf
      shell: pwsh
      run: |
        . ${env:GITHUB_ACTION_PATH}\Invoke-External.ps1
        $boufArgs = @(
           "--config",     "${env:GITHUB_ACTION_PATH}/config.toml",
           "--version",    "${{ inputs.tagName }}"
           "--branch",     "${{ inputs.channel }}"
           "--notes-file", "${{ github.workspace }}/notes.rst"
           "-i",           "${{ github.workspace }}/build"
           "-p",           "${{ github.workspace }}/old_builds"
           "-o",           "${{ github.workspace }}/output"
           "--updater-data-only"
        )
        Invoke-External "${{ github.workspace }}\bouf\bin\bouf.exe" @boufArgs

    - name: Upload Outputs
      uses: actions/upload-artifact@v4
      with:
        name: windows-updater-files
        compression-level: 0
        path: ${{ github.workspace }}/output
