local util = require 'lspconfig.util'
local configs = require 'lspconfig.configs'

configs.omnisharp = {
  default_config = {
    cmd = { "dotnet",
      "C:\\Users\\andre.schaf\\.vscode\\extensions\\ms-dotnettools.csharp-2.13.10-win32-x64\\.roslyn\\Microsoft.CodeAnalysis.LanguageServer.dll"
      -- "C:\\dev\\tools\\omni\\OmniSharp.Roslyn.dll"
      -- "/path/to/omnisharp/OmniSharp.dll" },
    },

    filetypes = { 'cs' },
    root_dir = util.root_pattern('*.sln', '*.csproj', 'omnisharp.json', 'function.json'),
    enable_editorconfig_support = true,

    -- If true, MSBuild project system will only load projects for files that
    -- were opened in the editor. This setting is useful for big C# codebases
    -- and allows for faster initialization of code navigation features only
    -- for projects that are relevant to code that is being edited. With this
    -- setting enabled OmniSharp may load fewer projects and may thus display
    -- incomplete reference lists for symbols.
    enable_ms_build_load_projects_on_demand = false,

    -- Enables support for roslyn analyzers, code fixes and rulesets.
    enable_roslyn_analyzers = false,

    -- Specifies whether 'using' directives should be grouped and sorted during
    -- document formatting.
    organize_imports_on_format = false,

    -- Enables support for showing unimported types and unimported extension
    -- methods in completion lists. When committed, the appropriate using
    -- directive will be added at the top of the current file. This option can
    -- have a negative impact on initial completion responsiveness,
    -- particularly for the first few completion sessions after opening a
    -- solution.
    enable_import_completion = false,

    -- Specifies whether to include preview versions of the .NET SDK when
    -- determining which version to use for project loading.
    sdk_include_prereleases = true,

    -- Only run analyzers against open files when 'enableRoslynAnalyzers' is
    -- true
    analyze_open_documents_only = false,
    on_new_config = function(new_config, _)
      -- Get the initially configured value of `cmd`
      new_config.cmd = { unpack(new_config.cmd or {}) }

      -- Append hard-coded command arguments
      table.insert(new_config.cmd, '-z')       -- https://github.com/OmniSharp/omnisharp-vscode/pull/4300
      vim.list_extend(new_config.cmd, { '--hostPID', tostring(vim.fn.getpid()) })
      table.insert(new_config.cmd, 'DotNet:enablePackageRestore=false')
      vim.list_extend(new_config.cmd, { '--encoding', 'utf-8' })
      table.insert(new_config.cmd, '--languageserver')

      -- Append configuration-dependent command arguments
      if new_config.enable_editorconfig_support then
        table.insert(new_config.cmd, 'FormattingOptions:EnableEditorConfigSupport=true')
      end

      if new_config.organize_imports_on_format then
        table.insert(new_config.cmd, 'FormattingOptions:OrganizeImports=true')
      end

      if new_config.enable_ms_build_load_projects_on_demand then
        table.insert(new_config.cmd, 'MsBuild:LoadProjectsOnDemand=true')
      end

      if new_config.enable_roslyn_analyzers then
        table.insert(new_config.cmd, 'RoslynExtensionsOptions:EnableAnalyzersSupport=true')
      end

      if new_config.enable_import_completion then
        table.insert(new_config.cmd, 'RoslynExtensionsOptions:EnableImportCompletion=true')
      end

      if new_config.sdk_include_prereleases then
        table.insert(new_config.cmd, 'Sdk:IncludePrereleases=true')
      end

      if new_config.analyze_open_documents_only then
        table.insert(new_config.cmd, 'RoslynExtensionsOptions:AnalyzeOpenDocumentsOnly=true')
      end

      -- Disable the handling of multiple workspaces in a single instance
      new_config.capabilities = vim.deepcopy(new_config.capabilities)
      new_config.capabilities.workspace.workspaceFolders = false       -- https://github.com/OmniSharp/omnisharp-roslyn/issues/909
    end,
    init_options = {},
  }
}