local configs = require 'lspconfig/configs'
local util = require 'lspconfig/util'

local server_name = 'pyright'
local bin_name = 'pyright-langserver'
if vim.fn.has 'win32' == 1 then
  bin_name = bin_name .. '.cmd'
end

local function organize_imports()
  local params = {
    command = 'pyright.organizeimports',
    arguments = { vim.uri_from_bufnr(0) },
  }
  vim.lsp.buf.execute_command(params)
end

configs[server_name] = {
  default_config = {
    cmd = { bin_name, '--stdio' },
    filetypes = { 'python' },
    root_dir = function(fname)
      local root_files = {
        'pyproject.toml',
        'setup.py',
        'setup.cfg',
        'requirements.txt',
        'Pipfile',
        'pyrightconfig.json',
      }
      return util.root_pattern(unpack(root_files))(fname) or util.find_git_ancestor(fname) or util.path.dirname(fname)
    end,
    settings = {
      python = {
        analysis = {
          autoSearchPaths = true,
          useLibraryCodeForTypes = true,
          diagnosticMode = 'workspace',
        },
      },
    },
  },
  commands = {
    PyrightOrganizeImports = {
      organize_imports,
      description = 'Organize Imports',
    },
  },
  docs = {
    package_json = 'https://raw.githubusercontent.com/microsoft/pyright/master/packages/vscode-pyright/package.json',
    description = [[
https://github.com/microsoft/pyright

`pyright`, a static type checker and language server for python
]],
  },
}