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path: root/.config/nvim/lua/custom/config/keymaps.lua
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local set = vim.keymap.set
local silent = { silent = true }
---@param mode string|table
---@param keymap string
local function unbind(mode, keymap)
    set(mode, keymap, function() end)
end

local function toggle_zen()
    vim.cmd('Neotree close')
    vim.cmd('Trouble todo close')
    vim.cmd('UndotreeHide')
end

local function yank_filepath_to_clipboard(os)
    return function()
        local filepath = vim.fn.expand('%:p')
        if os == 'linux' then
            local home_dir = vim.fn.expand('~')
            filepath = filepath:gsub(home_dir, '~')
        elseif os == 'windows' then
            local mnt = '/mnt/'
            if filepath:sub(1, #mnt) == mnt then
                filepath = filepath:sub(#mnt + 1, #mnt + 1) .. ':' .. filepath:sub(#mnt + 2)
            else
                filepath = '//wsl.localhost/openSUSE-Tumbleweed' .. filepath
            end
            filepath = filepath:gsub('/', '\\')
        end
        vim.fn.setreg('+', filepath)
    end
end

function RemoveClipboardCR()
    local clipboard = vim.fn.getreg('+'):gsub('\r', '')
    vim.fn.setreg('+', clipboard)
end

local function paste()
    RemoveClipboardCR()
    local value = vim.fn.getreg('+')
    if vim.fn.mode() == 'c' then
        -- value = vim.split(value, '\n')[1] -- only use first line (default with normal pasting)
        value = value:gsub('\n', ' ') -- replace newlines with spaces
        vim.api.nvim_feedkeys(value, 'c', false)
    else
        vim.api.nvim_put(vim.split(value, '\n'), 'c', false, true)
    end
end

-- "Greatest Keymap ever" - ThePrimeagen
-- https://www.youtube.com/watch?v=qZO9A5F6BZs&list=PLm323Lc7iSW_wuxqmKx_xxNtJC_hJbQ7R&index=4
set('x', '<leader>p', '"_dP')

set('n', 'p', '<cmd>lua RemoveClipboardCR()<cr>p', { noremap = true })
set('n', 'P', '<cmd>lua RemoveClipboardCR()<cr>P', { noremap = true })

-- Misc
set({ 'n', 'i' }, '<C-a>', '<Esc>ggVG', { desc = 'Visually Highlight [A]ll' })
set('i', '<C-H>', '<C-w>', { desc = 'Ctrl + Backspace to delete word' })
set('n', '<Esc>', '<cmd>nohlsearch<CR>', silent)
set({ 'i', 'c' }, '<C-v>', paste)
set('n', '<leader>z', toggle_zen, { desc = '[Z]en Mode', silent = true })
unbind({ 'i', 'n', 'v' }, '<C-r>')

set('n', 'U', '<cmd>redo<cr>')
set('i', '<C-z>', '<cmd>undo<cr>')
set({ 'i', 'n', 'v' }, '<C-q>', '<cmd>wqa<cr>')
set('n', '<leader>yp', yank_filepath_to_clipboard('linux'), { desc = '[Y]oink File [P]ath (linux)' })
set('n', '<leader>yP', yank_filepath_to_clipboard('windows'), { desc = '[Y]oink File [P]ath (windows)' })

-- Window Navigation - NO NEED BECAUSE IT CONFLICTS WITH TMUX
-- set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
-- set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the down window' })
-- set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the up window' })
-- set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })

-- Window resizing
local resize = 2
set({ 'n', 't' }, '<C-Left>', string.format('<cmd>vertical resize -%d<CR>', resize), { desc = 'Resize Left' })
set({ 'n', 't' }, '<C-Up>', string.format('<cmd>resize -%d<CR>', resize), { desc = 'Resize Up' })
set({ 'n', 't' }, '<C-Down>', string.format('<cmd>resize +%d<CR>', resize), { desc = 'Resize Down' })
set({ 'n', 't' }, '<C-Right>', string.format('<cmd>vertical resize +%d<CR>', resize), { desc = 'Resize Right' })

-- Keep selection after < and > in visual mode
set('v', '<', '<gv')
set('v', '>', '>gv')
-- Execute lua file or line
set('n', '<leader>x', '<cmd>.lua<CR>', { desc = 'Execute the current line' })
set('n', '<leader><leader>x', '<cmd>source %<CR>', { desc = 'Execute the current file' })

-- Reformats file using lsp
set('n', '=', vim.lsp.buf.format, { desc = 'Format File' })