local misc = require('core.misc')
local map = misc.map

-- vim binds
vim.g.mapleader = ' ' -- set leader key

map('x', '<leader>p', [["_dP]], { desc = 'Greatest remap of all time.' })
map('n', '<esc>', ':nohlsearch<Bar>:echo<CR>', { desc = 'Clear search.' })
-- move selected text up/down
map('v', '<S-k>', ":m '<-2<CR>gv=gv", { desc = 'Move selected text up.' })
map('v', '<S-j>', ":m '>+1<CR>gv=gv", { desc = 'Move selected text down.' })

-- the cursor STAYS IN THE MIDDLE
map('n', '<S-j>', 'mzJ`z<cmd>delm z<CR>') -- when combining lines
map('n', 'n', 'nzzzv') -- when searching
map('n', 'N', 'Nzzzv')
map('n', '<C-d>', '<C-d>zzzv') -- half page jumping
map('n', '<C-u>', '<C-u>zzzv')

map('n', '<leader>x', function() -- execute order 111
  local fn = vim.fn.expand("%:p")
  if vim.fn.getftype(fn) == "file" then
    local perm = vim.fn.getfperm(fn)
    if string.match(perm, "x", 3) then
      vim.notify("Removed executable flags", vim.log.levels.INFO, { title = misc.appid })
      vim.fn.setfperm(fn, string.sub(fn, 1, 2).."-"..string.sub(fn, 4, 5).."-"..string.sub(fn, 7, 8).."-")
    else
      vim.notify("Add executable flags", vim.log.levels.INFO, { title = misc.appid })
      vim.fn.setfperm(fn, string.sub(fn, 1, 2).."x"..string.sub(fn, 4, 5).."x"..string.sub(fn, 7, 8).."x")
    end
  else
    vim.notify("File doesn't exist", vim.log.levels.INFO, { title = misc.appid })
  end
end, { desc = 'toggle executable flag of the file' })

-- good spell suggestion ui
-- (stolen from https://github.com/neovim/neovim/pull/25833)
vim.keymap.set('n', 'z=', function()
  local spell_on_choice = vim.schedule_wrap(function(_, idx)
    if type(idx) == 'number' then
      vim.cmd('normal! '..idx..'z=')
    end
  end)

  if vim.v.count > 0 then
    spell_on_choice(nil, vim.v.count)
    return
  end
  local cword = vim.fn.expand('<cword>')
  local prompt = 'Change '..vim.inspect(cword)..' to:'
  vim.ui.select(vim.fn.spellsuggest(cword, vim.o.lines), { prompt = prompt }, spell_on_choice)
end, { desc = 'Shows spelling suggestions' })

-- quickfix
map('n', '<M-j>', '<cmd>cnext<CR>zz')
map('n', '<M-k>', '<cmd>cprev<CR>zz')
map('n', '<M-c>', '<cmd>cclose<CR>')

-- open up Ex
map('n', '<leader>c', '<cmd>Ex<CR>')