-- Keymaps are automatically loaded on the VeryLazy event

local Util = require("lazyvim.util")

local function map(mode, lhs, rhs, opts)
  local keys = require("lazy.core.handler").handlers.keys
  ---@cast keys LazyKeysHandler
  -- do not create the keymap if a lazy keys handler exists
  if not keys.active[keys.parse({ lhs, mode = mode }).id] then
    opts = opts or {}
    opts.silent = opts.silent ~= false
    vim.keymap.set(mode, lhs, rhs, opts)
  end
end

-- Resize window using <ctrl> arrow keys
-- TODO: this is cool, but should also support a number
map("n", "<C-Up>", "<cmd>resize +2<cr>", { desc = "Increase window height" })
map("n", "<C-Down>", "<cmd>resize -2<cr>", { desc = "Decrease window height" })
map("n", "<C-Left>", "<cmd>vertical resize -2<cr>", { desc = "Decrease window width" })
map("n", "<C-Right>", "<cmd>vertical resize +2<cr>", { desc = "Increase window width" })

-- Move Lines
map("n", "<A-j>", "<cmd>m .+1<cr>==", { desc = "Move down" })
map("n", "<A-k>", "<cmd>m .-2<cr>==", { desc = "Move up" })
map("i", "<A-j>", "<esc><cmd>m .+1<cr>==gi", { desc = "Move down" })
map("i", "<A-k>", "<esc><cmd>m .-2<cr>==gi", { desc = "Move up" })
map("v", "<A-j>", ":m '>+1<cr>gv=gv", { desc = "Move down" })
map("v", "<A-k>", ":m '<-2<cr>gv=gv", { desc = "Move up" })

-- buffers
if Util.has("bufferline.nvim") then
  map("n", "<S-h>", "<cmd>BufferLineCyclePrev<cr>", { desc = "Prev buffer" })
  map("n", "<S-l>", "<cmd>BufferLineCycleNext<cr>", { desc = "Next buffer" })
  map("n", "[b", "<cmd>BufferLineCyclePrev<cr>", { desc = "Prev buffer" })
  map("n", "]b", "<cmd>BufferLineCycleNext<cr>", { desc = "Next buffer" })
else
  map("n", "<S-h>", "<cmd>bprevious<cr>", { desc = "Prev buffer" })
  map("n", "<S-l>", "<cmd>bnext<cr>", { desc = "Next buffer" })
  map("n", "[b", "<cmd>bprevious<cr>", { desc = "Prev buffer" })
  map("n", "]b", "<cmd>bnext<cr>", { desc = "Next buffer" })
end
map("n", "<leader>bb", "<cmd>e #<cr>", { desc = "Switch to Other Buffer" })
map("n", "<leader>`", "<cmd>e #<cr>", { desc = "Switch to Other Buffer" })

-- Clear search with <esc>
map({ "i", "n" }, "<esc>", "<cmd>noh<cr><esc>", { desc = "Escape and clear hlsearch" })

-- Clear search, diff update and redraw
-- taken from runtime/lua/_editor.lua
map(
  "n",
  "<leader>ur",
  "<Cmd>nohlsearch<Bar>diffupdate<Bar>normal! <C-L><CR>",
  { desc = "Redraw / clear hlsearch / diff update" }
)

map({ "n", "x" }, "gw", "*N", { desc = "Search word under cursor" })

-- Add undo break-points
map("i", ",", ",<c-g>u")
map("i", ".", ".<c-g>u")
map("i", ";", ";<c-g>u")

-- lazy
map("n", "<leader>l", "<cmd>:Lazy<cr>", { desc = "Lazy" })

-- new file
map("n", "<leader>fn", "<cmd>enew<cr>", { desc = "New File" })

if not Util.has("trouble.nvim") then
  map("n", "[q", vim.cmd.cprev, { desc = "Previous quickfix" })
  map("n", "]q", vim.cmd.cnext, { desc = "Next quickfix" })
end

-- stylua: ignore start

-- toggle options
map("n", "<leader>uf", Util.format.toggle, { desc = "Toggle format on Save" })
map("n", "<leader>ud", Util.toggle.diagnostics, { desc = "Toggle Diagnostics" })
local conceallevel = vim.o.conceallevel > 0 and vim.o.conceallevel or 3
map("n", "<leader>uc", function() Util.toggle("conceallevel", false, {0, conceallevel}) end, { desc = "Toggle Conceal" })

-- highlights under cursor
if vim.fn.has("nvim-0.9.0") == 1 then
  map("n", "<leader>ui", vim.show_pos, { desc = "Inspect Pos" })
end

-- floating terminal
-- TODO: I prefer a split buffer for terminal, need to review how to make this more vim-like
map("n", "<leader>ft", function() Util.float_term(nil, { cwd = Util.get_root() }) end, { desc = "Terminal (root dir)" })
map("n", "<leader>fT", function() Util.float_term() end, { desc = "Terminal (cwd)" })
map("t", "<esc><esc>", "<c-\\><c-n>", {desc = "Enter Normal Mode"})