local lsp = require('lsp-zero')

lsp.preset('recommended')

lsp.ensure_installed({
    --'eslint',
    --'html',
    --'lua_ls',
    'rust_analyzer',
    'jdtls',
    --'clangd',
    'zls',
    --'pylsp',
    'ols',
})

local cmp = require('cmp')
local cmp_select = {behaviour = 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(),
})

lsp.set_preferences({
    sign_icons = { }
})

lsp.setup_nvim_cmp({
    mapping = cmp_mappings
})

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

    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
    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)

require('lspconfig').lua_ls.setup({
    settings = {
        Lua = {
            diagnostics = {
                globals = { 'vim', 'turtle' },
            },
        },
    },
})

require('lspconfig').ols.setup({
    single_file_support = true,
    on_attach = function (client, buffer)
       print('reached ols')
    end
})

lsp.setup()