local lsp = require("lsp-zero")

lsp.preset("recommended")

lsp.ensure_installed {
    "rust_analyzer"
}

lsp.nvim_workspace()

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

lsp.setup_nvim_cmp({ mapping = cmp_mapping })

vim.diagnostic.config({
    virtual_text = false,
})

-- Gimme pretty icons
lsp.set_sign_icons({
  error = '✘',
  warn = '▲',
  hint = '⚑',
  info = '»'
})

lsp.on_attach(function(_,  buffnr)
    local opts = { buffer = buffnr, remap = false }

    vim.keymap.set("n", "gd", vim.lsp.buf.definition, opts)
    vim.keymap.set("n", "gr", vim.lsp.buf.references, opts)
    vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)
    vim.keymap.set("n", "<Leader>re", vim.lsp.buf.rename, opts)
    vim.keymap.set({"n", "i"}, "<C-h>", vim.lsp.buf.signature_help, opts)

    vim.keymap.set("n", "<Leader>fmt", function()
        vim.lsp.buf.format({ async = false, timeout_ms =  5000 })
    end)
end)


-- NOTE: Format on save does not support async formatting
lsp.format_on_save({
    servers = {
        ["rust_analyzer"] = {"rust"}
    }
})



lsp.setup()

require("lsp-inlayhints").setup()