local servers = {}

servers.lua_ls = {
  settings = {
    Lua = {
      formatters = {
	ignoreComments = false,
      },
      signatureHelp = { enable = true },
      diagnostics = {
	globals = { 'nixCats', 'vim' },
	-- disable = { 'missing-fields' },
      },
      workspace = {
	-- make the server aware of the neovim runtime files
	library = vim.api.nvim_get_runtime_file("", true),
	checkThirdParty = false,
      },
    },
    telemetry = { enabled = false },
  },
}

servers.nil_ls = {
  settings = {},
}

local rust_analyzer_cmd = os.getenv("RUST_ANALYZER_CMD")
servers.rust_analyzer = {
  cmd = { rust_analyzer_cmd },
  settings = {
    server = {
      -- For debugging rust-analyzer, to see log location do :LspInfo in neovim
      -- extraEnv = { {["RA_LOG"]="project_model=debug"} },
    },
    cargo = {
      allFeatures = false,
      allTargets = false,
      buildScripts = { enable = true },
      target = "x86_64-unknown-linux-gnu",
    },
    diagnostics = {
      enable = true,
    },
  },
}

servers.zls = {
  settings = {},
}

local elixir_ls_cmd = os.getenv("ELIXIR_LS_CMD")
servers.elixirls = {
  cmd = { elixir_ls_cmd },
  settings = {},
}

servers.gleam = {
  settings = {},
}

servers.hls = {
  settings = {},
}

local java_home = os.getenv("JAVA_HOME")
servers.jdtls = {
  settings = {
    java = {
      contentProvider = { preferred = 'fernflower' },
      configuration = {
	runtimes = {
	  {
	    name = "OpenJDK 17",
	    path = os.getenv("OPENJDK_17"),
	  },
	  {
	    name = "OpenJDK 21",
	    path = os.getenv("OPENJDK_21"),
	  },
	}
      }
    },
  }
}

-- Taken from nixCats example:
-- If you were to comment out this autocommand
-- and instead pass the on attach function directly to
-- nvim-lspconfig, it would do the same thing.
-- come to think of it, it might be better because then lspconfig doesnt have to be called before lsp attach?
-- but you would still end up triggering on a FileType event anyway, so, it makes little difference.
vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('nixCats-lsp-attach', { clear = true }),
  callback = function(event)
    require('lsp.capabilities').on_attach(vim.lsp.get_client_by_id(event.data.client_id), event.buf)
  end
})

require("lze").load {
  {
    "nvim-lspconfig",
    event = "FileType",
    after = function(plugin)
      -- Just register configs, don't enable yet
      for server_name, cfg in pairs(servers) do
        vim.lsp.config(server_name, {
          capabilities = require('lsp.capabilities').get(server_name),
          settings = (cfg or {}).settings,
          filetypes = (cfg or {}).filetypes,
          cmd = (cfg or {}).cmd,
          root_pattern = (cfg or {}).root_pattern,
        })
      end

      -- Enable on-demand per filetype
      for server_name, cfg in pairs(servers) do
        local filetypes = cfg.filetypes or vim.lsp.config[server_name].filetypes
        if filetypes then
          vim.api.nvim_create_autocmd('FileType', {
            pattern = filetypes,
            callback = function()
              vim.lsp.enable(server_name)
            end,
          })
        end
      end
    end,
  },
}