require("config.lazy")
require("config.terminal")
require("config.lsp")

vim.g.have_nerd_font = true
vim.g.loaded_node_provider = 0
vim.g.loaded_perl_provider = 0
vim.g.loaded_python3_provider = 0
vim.g.loaded_ruby_provider = 0

-- Set the terminal window title to the filename being edited.
-- This helps with using ROFI to find the vim window.
vim.o.title = true

vim.o.writebackup = false
vim.o.undofile = true
vim.o.undodir = vim.fn.expand("~/.local/share/nvim-v2/undodir")

vim.o.colorcolumn = "125"
vim.o.showmode = false
vim.o.showtabline = 2

vim.wo.signcolumn = "yes"
vim.wo.cursorline = true
vim.wo.cursorcolumn = false

vim.keymap.set("n", "<Leader>uc", "<CMD>set cursorcolumn!<CR>", { desc = "Toggle cursor column" })

vim.opt.number = true
vim.opt.relativenumber = true

vim.o.expandtab = true

-- Automatic toggling between line number modes
-- Source: https://jeffkreeftmeijer.com/vim-number/
vim.cmd [[
augroup NumberToggle
  autocmd!
  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu && mode() != "i" | set rnu   | endif
  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
augroup END
]]

vim.opt.splitright = true
vim.opt.splitbelow = true
vim.opt.scrolloff = 1
vim.opt.list = true
vim.opt.listchars = { tab = "▸ ", trail = "·", precedes = "←", extends = "→" }
vim.opt.hlsearch = true
vim.opt.smartcase = true
vim.opt.smartindent = true
vim.opt.shiftwidth = 2

vim.keymap.set("n", "<ESC>", "<CMD>nohlsearch<CR>")

vim.keymap.set("n", "<Leader>s", function()
  vim.cmd[[wall]]
  vim.notify("Changed buffers saved.")
end, { desc = "Save all changed buffers" })

-- When I forgot that vim is o insert mode.
vim.keymap.set("i", "jj", "<ESC>")

if vim.fn.has("termguicolors") then
  vim.o.termguicolors = true
end

-- External Clipboard
vim.keymap.set("v", "<Leader>y", '"+y', { desc = "Copy to system clipboard register" })
vim.keymap.set("n", "<Leader>p", '"+p', { desc = "Paste from system clipboard register" })

vim.keymap.set("n", "<Leader>q", "<CMD>bprevious | bdelete #<CR>", { desc = "Close current buffer" })

vim.keymap.set("n", "<A-p>", "<CMD>bprevious<CR>", { desc = "Previous buffer" })
vim.keymap.set("n", "<A-n>", "<CMD>bnext<CR>", { desc = "Next buffer" })

vim.keymap.set("n", "<Leader>-", "<CMD>Oil<CR>", { desc = "Open Oil" })

-- Easier matched history navigation in command mode.
vim.keymap.set("c", "<C-k>", "<Up>")
vim.keymap.set("c", "<C-j>", "<Down>")

-- Quickfix and location list navigation.
vim.keymap.set("n", "<C-d>", "<C-d>zz")
vim.keymap.set("n", "<C-u>", "<C-u>zz")
vim.keymap.set("n", "<C-j>", "<cmd>cnext<CR>zz")
vim.keymap.set("n", "<C-k>", "<cmd>cprev<CR>zz")
vim.keymap.set("n", "<Leader>j", "<CMD>lnext<CR>zz", { desc = "Next location list item" })
vim.keymap.set("n", "<Leader>k", "<CMD>lprev<CR>zz", { desc = "Previous location list item" })

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

vim.keymap.set("n", "<C-c>", function()
  local path = vim.fn.expand("%:~:.")
  local line = vim.fn.line(".")
  vim.fn.setreg("+", path .. ":" .. line)
  vim.notify("Copied '" .. path .. "' line " .. line .. " to the clipboard.")
end, { desc = 'Copy relative file path with current line number to clipboard.' })