require "plugins"

-- thanks nvchad for the telescope config
require("telescope").setup {
    defaults = {
        vimgrep_arguments = {
            "rg",
            "--color=never",
            "--no-heading",
            "--with-filename",
            "--line-number",
            "--column",
            "--smart-case",
        },
        prompt_prefix = "   ",
        selection_caret = "  ",
        entry_prefix = "  ",
        initial_mode = "insert",
        selection_strategy = "reset",
        sorting_strategy = "ascending",
        layout_strategy = "horizontal",
        layout_config = {
            horizontal = {
                prompt_position = "top",
                preview_width = 0.55,
                results_width = 0.8,
            },
            vertical = {
                mirror = false,
            },
            width = 0.87,
            height = 0.80,
            preview_cutoff = 120,
        },
        file_sorter = require("telescope.sorters").get_fuzzy_file,
        file_ignore_patterns = { "node_modules" },
        generic_sorter = require("telescope.sorters").get_generic_fuzzy_sorter,
        path_display = { "absolute" },
        winblend = 0,
        border = {},
        borderchars = { "─", "│", "─", "│", "╭", "╮", "╯", "╰" },
        color_devicons = true,
        use_less = true,
        set_env = { ["COLORTERM"] = "truecolor" }, -- default = nil,
        file_previewer = require("telescope.previewers").vim_buffer_cat.new,
        grep_previewer = require("telescope.previewers").vim_buffer_vimgrep.new,
        qflist_previewer = require("telescope.previewers").vim_buffer_qflist.new,
        buffer_previewer_maker = require("telescope.previewers").buffer_previewer_maker,
    }
}

require("nvim-treesitter.configs").setup {
    highlight = {
        enable = true,
        disable = {},
    },
    indent = {
        enable = false,
        disable = {},
    },
    ensure_installed = {
        "json",
        "html",
        "scss",
        "javascript",
        "css",
        "c",
        "cpp",
        "rust",
        "lua"
    },
}

-- Add additional capabilities supported by nvim-cmp
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

-- Language servers
require"lspconfig".clangd.setup{
    capabilities = capabilities  
}

local luasnip = require "luasnip"
local cmp = require "cmp"
cmp.setup {
    snippet = {
        expand = function(args)
            luasnip.lsp_expand(args.body)
        end,
    },

    mapping = {
        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
        ['<C-f>'] = cmp.mapping.scroll_docs(4),
        ['<C-Space>'] = cmp.mapping.complete(),
        ['<Tab>'] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.confirm({ select = true })
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            else
                fallback()
            end
        end, { 'i', 's' }),
        ['<S-Tab>'] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            else
                fallback()
            end
        end, { 'i', 's' }), 
    },

    sources = {
        { name = "nvim_lsp" },
    },
}

local options = {
    tabstop = 4,
    shiftwidth = 4,
    expandtab = true,
    smartindent = true,
    smartcase = true,

    mouse = "a",
    termguicolors = true,
    cmdheight = 1
}

local init = {
    "nnoremap <leader>ff <cmd>lua require('telescope.builtin').find_files()<cr>",
    "nnoremap <leader>fg <cmd>lua require('telescope.builtin').live_grep()<cr>",
    "nnoremap <leader>fb <cmd>lua require('telescope.builtin').buffers()<cr>",
    "nnoremap <leader>fh <cmd>lua require('telescope.builtin').help_tags()<cr>",
    "let g:gruvbox_material_palette = 'material'",
    "let g:gruvbox_material_background = 'soft'",
    "let g:gruvbox_material_better_performance = '1'",
    "colorscheme gruvbox-material"
}

for k, v in pairs(options) do
    vim.o[k] = v
end

for i, v in pairs(init) do
    vim.cmd(v)
end