local opts = { noremap = true, silent = true }

-- Shorten function name
local map = vim.keymap.set

-- Modes
--   normal_mode = "n",
--   insert_mode = "i",
--   visual_mode = "v",
--   visual_block_mode = "x",
--   term_mode = "t",
--   command_mode = "c",

-- Normal --
-- Better window navigation
map("n", "<C-h>", "<C-w>h", opts)
map("n", "<C-j>", "<C-w>j", opts)
map("n", "<C-k>", "<C-w>k", opts)
map("n", "<C-l>", "<C-w>l", opts)

map("i", "<C-h>", "<Esc><C-w>h", opts)
map("i", "<C-j>", "<Esc><C-w>j", opts)
map("i", "<C-k>", "<Esc><C-w>k", opts)
map("i", "<C-l>", "<Esc><C-w>l", opts)

-- Close buffer
map("n", "<leader>x", ":bd<CR>", opts)

-- Naviagate buffers
map("n", "<S-l>", ":bnext<CR>", opts)
map("n", "<S-h>", ":bprevious<CR>", opts)

-- Move text: https://vim.fandom.com/wiki/Moving_lines_up_or_down

local sally_up = vim.tbl_deep_extend("force", { desc = "Move sally up" }, opts)
local sally_down =
  vim.tbl_deep_extend("force", { desc = "Move sally down" }, opts)

map("n", "<A-j>", ":m .+1<CR>==", sally_up)
map("v", "<A-j>", ":m '>+1<CR>gv=gv", sally_up)
map("i", "<A-j>", "<Esc>:m .+1<CR>==gi", sally_up)

map("n", "<A-k>", ":m .-2<CR>==", sally_down)
map("v", "<A-k>", ":m '<-2<CR>gv=gv", sally_down)
map("i", "<A-k>", "<Esc>:m .-2<CR>==gi", sally_down)

-- Toggle checkbox item in markdown

local toggle_checkbox_opts =
  vim.tbl_deep_extend("force", { desc = "Toggle checkbox" }, opts)

local function toggle_checkbox(separator)
  separator = separator or "x"

  return function()
    local line = vim.api.nvim_get_current_line()
    local unchecked = "%[.%]"
    local output = string.gsub(line, unchecked, "[" .. separator .. "]")

    vim.api.nvim_set_current_line(output)
  end
end

local function v_toggle_checkbox(separator)
  separator = separator or "x"

  return function()
    local start_line = vim.fn.getpos("'<")[2]
    local end_line = vim.fn.getpos("'>")[2]

    for i = start_line, end_line, 1 do
      vim.api.nvim_win_set_cursor(0, { i, 0 })
      toggle_checkbox(separator)()
    end
  end
end

-- checked
map("n", "<C-c><C-c>", toggle_checkbox(), toggle_checkbox_opts)
map("v", "<C-c><C-c>", v_toggle_checkbox(), toggle_checkbox_opts)

-- unchecked
map("n", "<C-c><leader>", toggle_checkbox(" "), toggle_checkbox_opts)
map("v", "<C-c><leader>", v_toggle_checkbox(" "), toggle_checkbox_opts)

-- in progress
map("n", "<C-c><C-v>", toggle_checkbox("~"), toggle_checkbox_opts)
map("v", "<C-c><C-v>", v_toggle_checkbox("~"), toggle_checkbox_opts)

-- canceled
map("n", "<C-c><C-x>", toggle_checkbox("-"), toggle_checkbox_opts)
map("v", "<C-c><C-x>", v_toggle_checkbox("-"), toggle_checkbox_opts)

-- Oil.nvim
map("n", "<leader>o", ":Oil<CR>", { desc = "Open Oil" })
map("n", "<leader>.", ":vsplit | Oil<CR>", { desc = "Open Oil vertical" })

-- Split with terminal
map("n", "<leader>;", ":split | term<CR>", { desc = "split terminal" })
map("n", "<leader>'", ":vsplit | term<CR>", { desc = "vsplit terminal" })

-- past new line
map("n", "<leader>p", "o<Esc>p", { desc = "Past to a line below" })

--- win navigation for terminal
map("t", "<C-h>", "<C-\\><C-N><C-w>h", opts)
map("t", "<C-j>", "<C-\\><C-N><C-w>j", opts)
map("t", "<C-k>", "<C-\\><C-N><C-w>k", opts)
map("t", "<C-l>", "<C-\\><C-N><C-w>l", opts)

-- autocmd to open terminal in insert mode
vim.cmd(
  [[autocmd TermOpen term://* startinsert | setlocal nonumber norelativenumber ]]
)
-- on enter terminal do the same
vim.cmd(
  [[autocmd WinEnter term://* startinsert | setlocal nonumber norelativenumber]]
)

-- open link in browser
-- if n -> esc, yank current link, open in browser
-- if v -> get selection, open in browser
-- browser must work for macox and linux
--
--
local function open_url(url)
  if not url:match("^https?://") then
    print("No URL found under cursor: " .. url)
    return
  end

  local command = vim.fn.has("mac") == 1 and "open" or "xdg-open"
  vim.fn.jobstart({ command, url }, { detach = true })
end

map("n", "gx", function()
  local url = vim.fn.expand("<cfile>")
  open_url(url)
end, { desc = "Open URL under cursor" })

map("v", "gx", function()
  local url = vim.fn.getreg('"')
  open_url(url)
end, { desc = "Open selected URL" })