local lsp = require("lsp-zero")

lsp.preset("recommended")

lsp.ensure_installed({
  'pyright', 'lua_ls'
})

-- Fix Undefined global 'vim'
lsp.configure('lua_ls', {
    settings = {
        Lua = {
            diagnostics = {
                globals = { 'vim' }
            }
        }
    }
})


-- local cmp = require('cmp')
-- local cmp_select = {behavior = cmp.SelectBehavior.Select}
-- local cmp_mappings = lsp.defaults.cmp_mappings({
--   ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
--   ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
--   ['<C-y>'] = cmp.mapping.confirm({ select = true }),
--   ["<C-Space>"] = cmp.mapping.complete(),
-- })

-- cmp_mappings['<Tab>'] = nil
-- cmp_mappings['<S-Tab>'] = nil

lsp.setup_nvim_cmp({
  mapping = cmp_mappings
})


lsp.set_preferences({
    suggest_lsp_servers = false,
    sign_icons = {
        error = 'E',
        warn = 'W',
        hint = 'H',
        info = 'I'
    }
})

lsp.on_attach(function(client, bufnr)
  local opts = {buffer = bufnr, remap = false}

  vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
  vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
  vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
  vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
  vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
  vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
  vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
  vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
  vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
  vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
end)

lsp.skip_server_setup({
  'pylsp',
})

lsp.setup()

vim.diagnostic.config({
    virtual_text = true
})

-- rnix config

local lspconfig = require'lspconfig'
lspconfig.nil_ls.setup{
    autostart = true,
    capabilities = require('cmp_nvim_lsp').default_capabilities(vim.lsp.protocol.make_client_capabilities()),
    cmd = vim.env.NIL_LSP_PATH,
    settings = {
        rootMarkers = {".git/"},
        languages = {
            nix = {
                formatters = {
                    {
                        exe = "nixpkgs-fmt",
                        args = {}
                    }
                },
                linters = {
                    {
                        exe = "nil_lsp",
                        args = {}
                    }
                }
            }
        }
    }
}