require('buildcmd')

local tbuiltin = require('telescope.builtin')
vim.g.mapleader = ' ' --space

-- Mappings, mostly taken from nvim-lspconfig
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<leader>q', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '<leader>e', '<cmd>Ex<CR>', opts)
vim.keymap.set('n', '<leader>ff', tbuiltin.find_files, opts)
vim.keymap.set('n', '<leader>fb', '<cmd>Telescope buffers<cr>', opts)
vim.keymap.set('n', '<leader>bb', save_all_and_build, opts)
vim.keymap.set('n', '<leader>br', save_all_and_buildnrun, opts)
-- TODO: get fancy and read the commentstring and user
vim.keymap.set('i', '<A-t>', '// TODO(twig): ', opts)
vim.keymap.set('i', '<A-y>', '// NOTE(twig): ', opts)
vim.api.nvim_set_keymap('i', '<C-.>', '->', opts)
--vim.api.nvim_set_keymap('i', '<A-.>', '->', opts)
-- This is horrendous on windows, can't use nvim for almost a minute!
vim.keymap.set('n', 'K', '')
vim.keymap.set('n', '<leader>fs', '<cmd>Telescope grep_string<cr>', opts)
vim.keymap.set('n', '<leader>ss', '<cmd>Telescope spell_suggest<cr>', opts)
vim.keymap.set('n', '<leader>t', '<cmd>Telescope<cr>', opts)

local on_attach = function(client, bufnr)
    client.server_capabilities.semanticTokensProvider = nil
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

    -- Mappings
    local bufopts = { noremap=true, silent=true, buffer=bufnr }
    -- Replace these with telescope equivalent
    vim.keymap.set('n', '<leader>rb', vim.lsp.buf.declaration, bufopts)
    vim.keymap.set('n', '<leader>rd', vim.lsp.buf.definition, bufopts)
    vim.keymap.set('n', '<leader>rf', tbuiltin.lsp_references, bufopts)
    vim.keymap.set('n', '<leader>rs', tbuiltin.lsp_document_symbols, bufopts)
    vim.keymap.set('n', '<leader>rr', vim.lsp.buf.rename, bufopts)
    --vim.keymap.set('i', '<A-.>', v:lua.vim.lsp.omnifunc, bufopts)
end

--local lsp_flags = {
--    debounce_text_changes = 150, --wtf is this
--}
--local lspconfig = require('lspconfig');
--lspconfig.zls.setup {
--    on_attach = on_attach,
--    flags = lsp_flags,
--}
--lspconfig.gopls.setup{
--    on_attach = on_attach,
--    flags = lsp_flags,
--}
--lspconfig.clangd.setup{
--    on_attach = on_attach,
--    flags = lsp_flags,
--    handlers = {
--        ["textDocument/publishDiagnostics"] = function(err, result, ctx, config)
--        end
--    }
--}
--lspconfig.rust_analyzer.setup{
--    on_attach = on_attach,
--}
--lspconfig.ols.setup{
--    on_attach = on_attach,
--}
--lspconfig.pylsp.setup{
--    on_attach = on_attach,
--    flags = lsp_flags,
--}
--lspconfig.gdscript.setup{
--    on_attach = on_attach,
--    flags = lsp_flags,
--} 

local lsps = {
    {
        "clangd",
        {
            cmd = {
                'clangd',
                '--clang-tidy',
            },
            root_markers = { '.clangd', 'compile_commands.json' },
            filetypes = { 'c', 'cpp', 'h' },
            on_attach = on_attach,
        }
    },
    {
        "luals",
        {
            cmd = {
                'lua-language-server',
            },
            root_markers = { '.git', 'init.lua' },
            filetypes = { 'lua' },
            on_attach = on_attach,
        }
    },
    {
        "python-lsp",
        {
            cmd = {
                'pylsp'
            },
            root_markers = { '.git' },
            filetype = { 'py' },
            on_attach = on_attach,
        }
    }
}

for _, lsp in pairs(lsps) do
    local name, config = lsp[1], lsp[2]
    vim.lsp.enable(name)
    if config then
        vim.lsp.config(name, config)
    end
end