init.lua

-- Map leader keys
vim.g.mapleader = " "
vim.g.maplocalleader = "\\"

vim.g.have_nerd_font = true

vim.opt.linebreak = true
vim.opt.list = true

-- Line numbers
vim.opt.number = true
vim.opt.relativenumber = true

vim.opt.mouse = "a"

vim.opt.showmode = false

vim.opt.switchbuf = "usetab"
vim.opt.shada = "'100,<50,s10,:100,/100,@100,h,ra:,rb:,r/tmp"

vim.opt.swapfile = false
vim.opt.undofile = true

vim.opt.confirm = true

vim.opt.ignorecase = true
vim.opt.smartcase = true

vim.opt.signcolumn = "yes"
vim.opt.colorcolumn = "81"

vim.opt.updatetime = 300
vim.opt.timeoutlen = 1000

vim.opt.splitkeep = "screen"
vim.opt.splitbelow = true
vim.opt.splitright = true

vim.opt.list = true
vim.opt.listchars = {
    tab = "» ",
    trail = "·",
    nbsp = "␣",
    extends = "…",
    precedes = "…",
}

vim.opt.inccommand = "split"
vim.opt.incsearch = true

vim.opt.fileformats = "unix,dos"

vim.opt.tabstop = 4
vim.opt.softtabstop = 4
vim.opt.shiftwidth = 4
vim.opt.expandtab = true

vim.opt.cindent = true
vim.opt.breakindent = true
vim.opt.breakindentopt = "list:-1"

-- Default fold
-- vim.opt.foldenable = false
vim.opt.foldlevel = 10
vim.opt.foldmethod = "indent"
vim.opt.foldnestmax = 10
vim.opt.foldtext = ""

vim.opt.scrolloff = 10

vim.opt.hlsearch = true
vim.opt.termguicolors = true

vim.opt.cursorline = true
vim.opt.cursorlineopt = "screenline,number"
vim.opt.guicursor = "a:Cursor/lCursor,\z
                     n-v-c:block,\z
                     i-ci-ve:ver25-blinkwait0-blinkoff500-blinkon500,\z
                     r-cr-o:hor20,\z
                     sm:blinkwait0-blinkoff500-blinkon500,\z
                     t:TermCursor"

vim.opt.pumheight = 10

vim.opt.winborder = "rounded"

-- Experimental
-- vim.opt.cmdheight = 0
-- vim.api.nvim_create_autocmd("CmdlineEnter", {
--     desc = "Restore cmdline when entered",
--     group = vim.api.nvim_create_augroup(
--         "nvim-restore-cmdline",
--         { clear = true }
--     ),
--     callback = function()
--         vim.opt.cmdheight = 1
--     end,
-- })
-- vim.api.nvim_create_autocmd("CmdlineLeave", {
--     desc = "Hide cmdline when left",
--     group = vim.api.nvim_create_augroup("nvim-hide-cmdline", { clear = true }),
--     callback = function()
--         vim.opt.cmdheight = 0
--     end,
-- })

-- Per directory overrides
vim.opt.exrc = true

-- Add empty blank line
-- vim.api.nvim_create_autocmd("BufWritePre", {
--     desc = "Add blank line at the end of file",
--     group = vim.api.nvim_create_augroup(
--         "nvim-blank-line-eof",
--         { clear = true }
--     ),
--     callback = function()
--         local last_line = vim.api.nvim_buf_get_lines(0, -2, -1, true)[1]
--         if vim.fn.empty(last_line) == 0 then
--             vim.api.nvim_buf_set_lines(0, -1, -1, true, { "" })
--         end
--     end,
-- })

-- Highlight when copying
vim.api.nvim_create_autocmd("TextYankPost", {
    desc = "Highlight when yanking (copying) text",
    group = vim.api.nvim_create_augroup(
        "nvim-highlight-yank",
        { clear = true }
    ),
    callback = function()
        vim.hl.on_yank()
    end,
})

-- Set terminal to pwsh on Windows
if vim.fn.index(vim.fn.keys(vim.fn.environ()), "shell", 0, true) == -1 then
    vim.opt.shell = vim.fn.executable "pwsh" == 1 and "pwsh" or "powershell"
    vim.opt.shellcmdflag =
        "-NoLogo -NonInteractive -ExecutionPolicy RemoteSigned -Command [Console]::InputEncoding=[Console]::OutputEncoding=[System.Text.UTF8Encoding]::new();$PSDefaultParameterValues['Out-File:Encoding']='utf8';$PSStyle.OutputRendering='plaintext';Remove-Alias -Force -ErrorAction SilentlyContinue tee;"
    vim.opt.shellredir = '2>&1 | %%{ "$_" } | Out-File %s; exit $LastExitCode'
    vim.opt.shellpipe = '2>&1 | %%{ "$_" } | tee %s; exit $LastExitCode'
    vim.opt.shellquote = ""
    vim.opt.shellxquote = ""
end

-- Using explorer.exe to open URL
local original_open = vim.ui.open
---@param path string
---@diagnostic disable-next-line: duplicate-set-field
vim.ui.open = function(path, opt)
    if vim.fn.executable "explorer.exe" == 1 and opt == nil then
        return original_open(path, { cmd = { "explorer.exe" } })
    end
    return original_open(path, opt)
end

-- Disable line number in terminal
vim.api.nvim_create_autocmd("TermOpen", {
    desc = "Disable line number in terminal mode",
    group = vim.api.nvim_create_augroup("nvim-term-custom", { clear = true }),
    callback = function()
        vim.wo.number = false
        vim.wo.relativenumber = false
    end,
})

-- Lazy.nvim
require "config.lazy"

-- Treesitter
vim.api.nvim_create_autocmd("FileType", {
    pattern = {
        "lua",
        "luadoc",
        "vim",
        "vimdoc",
        "markdown",
        "zig",
        "c",
        "cpp",
        "cmake",
        "rust",
        "json",
        "html",
        "css",
        "javascript",
        "jsdoc",
        "typescript",
        "typescriptreact",
        "typescript.tsx", -- really?
        "tsx", -- What should I use?
        "astro",
        "python",
        "toml",
        "yaml",
        "ssh_config",
        "git_config",
        "gitcommit",
        "git_rebase",
        "gitignore",
        "gitattributes",
        "editorconfig",
        "bash",
        "zsh",
        "powershell",
        "hyprlang",
        "latex",
        "kotlin",
    },
    callback = function()
        -- syntax highlighting, provided by Neovim
        vim.treesitter.start()
        -- folds, provided by Neovim
        vim.wo.foldexpr = "v:lua.vim.treesitter.foldexpr()"
        vim.wo.foldmethod = "expr"
        vim.wo.fillchars = "fold:-"
        -- indentation, provided by nvim-treesitter
        vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
    end,
})

-- Default color scheme
if not vim.g.vscode then
    vim.cmd.colorscheme "rose-pine"
end

-- Key mappings
require "config.keymaps"