-- Load Keybindings from VIM
local vim_mappings = os.getenv("HOME") .. "/.vim/key_maps.vim"
if vim.loop.fs_stat(vim_mappings) then
    vim.cmd("source " .. vim_mappings)
end

vim.keymap.set({ "n" }, "<C-c>", "<cmd> %y+ <CR>", { desc = "Copy entire content of the current buffer" })
vim.keymap.set("n", "<leader>fn", "<cmd>enew<CR>", { desc = "Create new file/buffer" })

-- Remap for dealing with word wrap
vim.keymap.set({ "n", "x" }, "j", "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
vim.keymap.set({ "n", "x" }, "k", "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })

-- Move to window using the <ctrl> hjkl keys
vim.keymap.set("n", "<C-h>", "<C-w>h", { desc = "Go to left window", remap = true })
vim.keymap.set("n", "<C-j>", "<C-w>j", { desc = "Go to lower window", remap = true })
vim.keymap.set("n", "<C-k>", "<C-w>k", { desc = "Go to upper window", remap = true })
vim.keymap.set("n", "<C-l>", "<C-w>l", { desc = "Go to right window", remap = true })

-- Resize window using <ctrl> arrow keys
vim.keymap.set("n", "<C-Up>", "<cmd>resize +2<cr>", { desc = "Increase window height" })
vim.keymap.set("n", "<C-Down>", "<cmd>resize -2<cr>", { desc = "Decrease window height" })
vim.keymap.set("n", "<C-Left>", "<cmd>vertical resize -2<cr>", { desc = "Decrease window width" })
vim.keymap.set("n", "<C-Right>", "<cmd>vertical resize +2<cr>", { desc = "Increase window width" })

-- Move Lines
vim.keymap.set("n", "<A-j>", "<cmd>m .+1<cr>==", { desc = "Move line down" })
vim.keymap.set("n", "<A-k>", "<cmd>m .-2<cr>==", { desc = "Move line up" })
vim.keymap.set("v", "<A-j>", ":m '>+1<cr>gv=gv", { desc = "Move line down" })
vim.keymap.set("v", "<A-k>", ":m '<-2<cr>gv=gv", { desc = "Move line up" })

-- Traverse Buffer
vim.keymap.set("n", "<Tab>", "<cmd>bnext<CR>", { desc = "Switch to next buffer" })
vim.keymap.set("n", "<S-Tab>", "<cmd>bprevious<CR>", { desc = "Switch to previous buffer" })

-- Save file
vim.keymap.set({ "i", "x", "n", "s" }, "<C-s>", "<cmd>w<cr><esc>", { desc = "Save file" })
vim.keymap.set({ "i", "x", "n", "s" }, "<C-q>", "<cmd>wqa<cr><esc>", { desc = "Save all files and Quit Neovim" })

-- Close Current Buffer
vim.keymap.set({ "n", "v" }, "<leader>bx", function()
    if vim.bo.modified then
        vim.cmd.write()
    end
    vim.cmd("bdelete")
end, { desc = "Save and close current buffer" })

-- Traverse quickfix
vim.keymap.set("n", "[q", vim.cmd.cprev, { desc = "Previous quickfix" })
vim.keymap.set("n", "]q", vim.cmd.cnext, { desc = "Next quickfix" })

-- Clear searches
vim.keymap.set({ "i", "n" }, "<esc>", "<cmd>noh<cr><esc>", { desc = "Escape and clear hlsearch" })
vim.keymap.set("n", "<leader>/", "<Cmd>nohlsearch<Bar>diffupdate<Bar>normal! <C-L><CR>",
    { desc = "Redraw / clear hlsearch / diff update" })

vim.keymap.set("n", "n", "'Nn'[v:searchforward].'zv'", { expr = true, desc = "Next search result" })
vim.keymap.set("x", "n", "'Nn'[v:searchforward]", { expr = true, desc = "Next search result" })
vim.keymap.set("o", "n", "'Nn'[v:searchforward]", { expr = true, desc = "Next search result" })
vim.keymap.set("n", "N", "'nN'[v:searchforward].'zv'", { expr = true, desc = "Prev search result" })
vim.keymap.set("x", "N", "'nN'[v:searchforward]", { expr = true, desc = "Prev search result" })
vim.keymap.set("o", "N", "'nN'[v:searchforward]", { expr = true, desc = "Prev search result" })