vim.opt.termguicolors = true
vim.pack.add({
        { src = "https://github.com/rose-pine/neovim",                  name = "rose-pine" },
        { src = "https://github.com/brenoprata10/nvim-highlight-colors" },
        { src = "https://github.com/mbbill/undotree" },
        { src = "https://github.com/nvim-mini/mini.pairs",              version = vim.version.range('*') },
        { src = "https://github.com/nvim-tree/nvim-web-devicons" },
        { src = "https://github.com/ibhagwan/fzf-lua" },
        { src = "https://github.com/saghen/blink.cmp",                  version = vim.version.range('*'), },
        { src = "git@moo:dmm/polydev.git",                              version = "main" },
        { src = "https://github.com/nvim-treesitter/nvim-treesitter",   build = ":TSUpdate" },
        { src = "https://github.com/alexghergh/nvim-tmux-navigation" },
        { src = "https://github.com/mason-org/mason.nvim" },
        { src = "https://github.com/mason-org/mason-lspconfig.nvim" },
        { src = "https://github.com/neovim/nvim-lspconfig" },
        { src = "https://github.com/stevearc/conform.nvim" },
})

require("mason").setup()
require("mason-lspconfig").setup({
        ensure_installed = { "ts_ls", "lua_ls", "denols" },
        automatic_enable = true,
})
require 'nvim-tmux-navigation'.setup {
        disable_when_zoomed = true -- defaults to false
}
require('nvim-treesitter').install { 'rust', 'c', 'cpp', 'lua', 'javascript' }
vim.api.nvim_create_autocmd('FileType', {
        pattern = { 'c', 'cpp', 'rust', 'lua', 'javascript' },
        callback = function()
                vim.treesitter.start()
                vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
        end,
})
require("conform").setup({
        formatters_by_ft = {
                rust = { "rustfmt", lsp_format = "fallback" },
                lua = { "emmylua-codeformat", lsp_format = "fallback" },
                javascript = { "denols", stop_after_first = true },
                ["_"] = { "trim_whitespace" },
        },
        format_on_save = {
                timeout_ms = 500,
                lsp_format = "fallback",
        },
})

require('nvim-highlight-colors').turnOn()
require("Polydev").setup({
        terminal = {
                mode = "split",
        },
})
require("blink.cmp").setup({
        completion = {
                menu = {
                        draw = {
                                columns = { { "label", gap = 1 }, { "kind_icon", gap = 1, "kind" } },
                        }
                }
        }
})
require('mini.pairs').setup()
require("fzf-lua").setup({
        "border-fused",
        previewers = {
                builtin = {
                        syntax_limit_b = -51200, -- 50KB limit on highlighting files
                },
        },
        winopts = {
                height     = 0.50,
                width      = 0.45,
                row        = 0.35,
                col        = 0.50,
                border     = "rounded",
                backdrop   = 0,
                fullscreen = false,
                preview    = {
                        hidden = true,
                },
        },
        grep = {
                rg_glob = true,
                rg_glob_fn = function(query)
                        local regex, flags = query:match("^(.-)%s%-%-(.*)$")
                        return (regex or query), flags
                end,
        },
        defaults = {
                formatter = "path.filename_first",
        },
})



local capabilities = require('blink.cmp').get_lsp_capabilities()
vim.lsp.config("lua_ls", {
        capabilities = capabilities,
        settings = {
                Lua = {
                        diagnostics = { globals = { "vim" } },
                        workspace = {
                                library = vim.api.nvim_get_runtime_file("", true),
                                checkThirdParty = false,
                        },
                },
        },
})
vim.lsp.enable({ "lua_ls", "clangd", "rust-analyzer", "denols" })

--- Options

vim.g.mapleader = " "
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.tabstop = 8       -- Number of spaces a <Tab> counts for
vim.opt.shiftwidth = 8    -- Number of spaces for autoindent (>>, <<, etc.)
vim.opt.expandtab = true  -- Use spaces instead of tabs
vim.opt.autoindent = true -- Copy indent from current line when starting a new line
vim.opt.softtabstop = 8   -- Number of spaces for <Tab> in insert mode (backspace deletes 4 spaces)
vim.opt.wrap = false
vim.opt.swapfile = false
vim.opt.signcolumn = "yes"
vim.opt.undofile = true -- Keeps undo history even after we close a file
vim.opt.scrolloff = 8
vim.opt.sidescrolloff = 8
vim.opt.hlsearch = false
vim.opt.completeopt = { "menuone", "noselect", "popup" }
vim.g.netrw_browse_split = 0
vim.g.netrw_banner = 0
vim.g.netrw_liststyle = 3
vim.g.netrw_winsize = 25
vim.opt.wrapscan = true                            -- begin search from top of the file when nothng is found
vim.opt.cursorline = true                          -- enable cursorline
vim.opt.cursorlineopt = { "screenline", "number" } -- cursorline look
vim.opt.foldmethod = "indent"
vim.opt.foldcolumn = "1"
vim.opt.foldenable = false
vim.opt.shortmess = 'aF'    -- abbreviates messages and prevents file name being echoed when opened
vim.opt.ignorecase = true   -- ignore cases when searching
vim.opt.smartcase = true    -- However if we use a capital in search string we then consider case-sensitivity, ignorecase is disabled
vim.opt.smartindent = false -- smarter indentation
vim.opt.smarttab = true     -- make tab behaviour smarter
vim.opt.laststatus = 3

--- COLORS

vim.cmd.colorscheme("rose-pine")
vim.api.nvim_set_hl(0, "Normal", { bg = "none" })
vim.api.nvim_set_hl(0, "NormalFloat", { link = 'Normal' })
vim.api.nvim_set_hl(0, "StatusLine", { link = 'Normal' })
vim.api.nvim_set_hl(0, "StatusLineTerm", { link = 'Normal' })
vim.api.nvim_set_hl(0, "StatusLineNC", { link = 'Normal' })
vim.api.nvim_set_hl(0, "SignColumn", { link = 'Normal' })
vim.api.nvim_set_hl(0, 'LineNrAbove', { link = 'NonText', bold = true })
vim.api.nvim_set_hl(0, 'LineNrBelow', { link = 'NonText', bold = true })
vim.api.nvim_set_hl(0, "LineNr", { link = 'Normal' })
vim.api.nvim_set_hl(0, "FoldColumn", { link = 'Normal' })
vim.api.nvim_set_hl(0, "CursorLineNr", { bg = "none", link = 'MatchParen', bold = true })

--- KEYMAPS

vim.keymap.set("v", "J", ":m '>+1<CR>gv=gv")
vim.keymap.set("v", "K", ":m '<-2<CR>gv=gv")
vim.keymap.set("n", "<leader>ff", vim.lsp.buf.format)
vim.keymap.set("n", "<leader>vs", ":vsplit<CR>")
vim.keymap.set("n", "<leader>ss", ":split<CR>")
vim.keymap.set("n", "<leader>E", ":Ex<CR>")
vim.keymap.set("n", "<C-u>", "<C-u>zz")
vim.keymap.set("n", "<C-d>", "<C-d>zz")
vim.keymap.set("n", "n", "nzzzv")
vim.keymap.set("n", "N", "Nzzzv")
vim.keymap.set("x", "<leader>p", [["_dP]])
vim.keymap.set('n', '<leader><leader>', ":FzfLua files<CR>")
vim.keymap.set('n', '<leader>fh', ":FzfLua helptags<CR>")
vim.keymap.set('n', '<leader>fg', ":FzfLua live_grep<CR>")
vim.keymap.set('n', '<leader>fm', ":FzfLua manpages<CR>")
vim.keymap.set('n', '<leader>xx', vim.diagnostic.setqflist)
vim.keymap.set('n', '<leader>fs', vim.lsp.buf.document_symbol)
vim.keymap.set('n', '<leader>gd', vim.lsp.buf.definition)
vim.keymap.set("n", "<leader>gr", vim.lsp.buf.references)
vim.keymap.set("n", "<leader>gR", vim.lsp.buf.rename)
vim.keymap.set("n", "<leader>gc", vim.lsp.buf.code_action)
vim.keymap.set("n", "<leader>uu", ":UndotreeToggle<CR>")
vim.keymap.set("n", "<leader>[", "<c-w>H", { silent = true, noremap = true, })
vim.keymap.set("n", "<leader>]", "<c-w>K", { silent = true, noremap = true, })
vim.keymap.set("n", "[q", ":cprev<CR>zz", { desc = "Previous Quickfix Item" })
vim.keymap.set("n", "]q", ":cnext<CR>zz", { desc = "Next Quickfix Item" })
vim.keymap.set("n", "<leader>qo", ":copen<CR>", { desc = "Open Quickfix" })
vim.keymap.set("n", "<leader>qc", ":cclose<CR>", { desc = "Close Quickfix" })
vim.keymap.set("n", "<C-h>", ":NvimTmuxNavigateLeft<CR>", { silent = true })
vim.keymap.set("n", "<C-j>", ":NvimTmuxNavigateDown<CR>", { silent = true })
vim.keymap.set("n", "<C-k>", ":NvimTmuxNavigateUp<CR>", { silent = true })
vim.keymap.set("n", "<C-l>", ":NvimTmuxNavigateRight<CR>", { silent = true })