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

-- greatest remap ever
a.nvim_set_keymap("n", "<leader>p", "\"_dP", opts)

-- toggle terminal buffer
a.nvim_set_keymap("n", "<C-\\>", "<cmd>ToggleTerm size=20<CR>", opts)
a.nvim_set_keymap("t", "<C-\\>", "<cmd>ToggleTerm<CR>", opts)

-- esc to go to normal mode in term bufers
a.nvim_set_keymap("t", "<ESC>", "<C-\\><C-n>", opts)

-- open file viewer
a.nvim_set_keymap("n", "<leader>fo", ":Ex<CR>", opts)
a.nvim_set_keymap("n", "<leader>fs", ":Sex<CR>", opts)
a.nvim_set_keymap("n", "<leader>fh", ":Hex<CR>", opts)
a.nvim_set_keymap("n", "<leader>fv", ":Vex<CR>", opts)

-- clear search
a.nvim_set_keymap("n", "<ESC>", ":nohlsearch<Bar>:echo<CR>", opts)

-- move selected text
a.nvim_set_keymap("v", "<S-j>", ":m '>+1<CR>gv=gv", opts)
a.nvim_set_keymap("v", "<S-k>", ":m '<-2<CR>gv=gv", opts)

-- keep cursor middle 
a.nvim_set_keymap("n", "<S-j>", "mzJ`z", opts) -- when combining lines
a.nvim_set_keymap("n", "n", "nzzzv", opts) -- searching
a.nvim_set_keymap("n", "N", "Nzzzv", opts)
a.nvim_set_keymap("n", "<C-d>", "<C-d>zz", opts) -- half page jumping
a.nvim_set_keymap("n", "<C-u>", "<C-u>zz", opts)

-- execute order 111
a.nvim_set_keymap("n", "<leader>x", "<cmd>!chmod +x %<CR>", opts)

-- add some keybinds to the file view
a.nvim_create_autocmd('FileType', {
  pattern = 'netrw',
  callback = function()
    local bind = function(lhs, rhs)
      vim.keymap.set('n', lhs, rhs, { remap = true, buffer = true })
    end
    bind('h', '-^') -- Go up a directory
    bind('l', '<CR>') -- Go down a directory / open a file
    bind('.', 'gh') -- Toggle dotfiles
    bind('P', '<C-w>z') -- Close preview window
    bind('<ESC>', '<cmd>q<CR>') -- Close netrw
  end
})

-- plugin related binds
-- better indenting
a.nvim_set_keymap('i', '<tab>', '<cmd>lua require("intellitab").indent()<CR>', opts)

-- open Trouble buffer
a.nvim_set_keymap("n", "<leader>tt",
"<cmd>TroubleToggle document_diagnostics<CR>", opts)
a.nvim_set_keymap("n", "<leader>td", "<cmd>TodoTrouble<CR>", opts)

-- dismiss notifications
a.nvim_set_keymap("n", "<leader>nd", "", { callback = require('notify').dismiss })

-- resizing splits 
a.nvim_set_keymap("n", '<C-h>', "<cmd>SmartResizeLeft<CR>", opts)
a.nvim_set_keymap("n", '<C-j>', "<cmd>SmartResizeDown<CR>", opts)
a.nvim_set_keymap("n", '<C-k>', "<cmd>SmartResizeUp<CR>", opts)
a.nvim_set_keymap("n", '<C-l>', "<cmd>SmartResizeRight<CR>", opts)

-- don't blame me pls
a.nvim_set_keymap("n", "<C-g>", [[<cmd>Gitsigns toggle_current_line_blame<CR>]], opts)

-- telescope
a.nvim_set_keymap('n', '<leader>sf', '<cmd>Telescope find_files<CR>', opts)
a.nvim_set_keymap('n', '<leader>sg', '<cmd>Telescope git_commits<CR>', opts)
a.nvim_set_keymap('n', '<leader>sb',
  '<cmd>Telescope current_buffer_fuzzy_find<CR>', opts)
a.nvim_set_keymap('n', '<leader>so', '<cmd>Telescope oldfiles<CR>', opts)
a.nvim_set_keymap('n', '<leader>sc', '<cmd>Telescope neoclip unnamed<CR>', opts)
a.nvim_set_keymap('n', '<leader>su', '<cmd>Telescope undo<CR>', opts)
a.nvim_set_keymap('n', '<leader>sd', '<cmd>Telescope diagnostics<CR>', opts)
a.nvim_set_keymap('n', '<leader>sn', '<cmd>Telescope notify<CR>', opts)

-- treesitter
a.nvim_set_keymap('n', '<leader>j', '<cmd>TSJToggle<CR>', opts)

-- re-source snippets
a.nvim_set_keymap('n', '<leader><leader>s', '<cmd>source ~/.config/nvim/lua/core/snippets/init.lua<CR>', opts)

-- hover
vim.keymap.set('n', '<S-tab>', require("hover").hover_select, opts)

-- lsp diagnostics float
a.nvim_set_keymap('n', '<tab>', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)

-- essentials
a.nvim_set_keymap('n', '<leader>eu', '<cmd>lua require("essentials").go_to_url()<CR>', opts)
a.nvim_set_keymap('n', '<leader>ec', '<cmd>lua require("essentials").cheat_sh()<CR>', opts)

-- return to home screen
a.nvim_set_keymap('n', '<leader>gh', '<cmd>Alpha<CR>', opts)

-- true zen
local truezen = require('true-zen')
local keymap = vim.keymap

keymap.set('n', '<leader>zn', function()
  local first = 0
  local last = vim.api.nvim_buf_line_count(0)
  truezen.narrow(first, last)
end, { noremap = true })
keymap.set('v', '<leader>zn', function()
  local first = vim.fn.line('v')
  local last = vim.fn.line('.')
  truezen.narrow(first, last)
end, { noremap = true })
a.nvim_set_keymap('n', '<leader>zf', '<cmd>lua require("true-zen.focus").toggle()<CR>', opts)
a.nvim_set_keymap('n', '<leader>zm', '<cmd>lua require("true-zen.minimalist").toggle()<CR>', opts)
a.nvim_set_keymap('n', '<leader>za', '<cmd>lua require("true-zen.ataraxis").toggle()<CR>', opts)

-- highlighting
a.nvim_set_keymap("v", "<leader>ha", ":<c-u>HSHighlight 1<CR>", opts)
a.nvim_set_keymap("v", "<leader>hc", ":<c-u>HSRmHighlight<CR>", opts)

-- code actions + renaming
a.nvim_set_keymap('n', '<leader>gn', '<cmd>lua require("cosmic-ui").rename()<CR>', opts)
a.nvim_set_keymap('v', '<leader>ga', '<cmd>lua require("cosmic-ui").range_code_actions()<CR>', opts)
a.nvim_set_keymap('n', '<leader>ga', '<cmd>lua require("cosmic-ui").code_actions()<CR>', opts)

-- glow
a.nvim_set_keymap('n', '<leader>gl', '<cmd>lua _glow()<CR>', opts)

-- vbox note taking
function _G.Toggle_venn()
  local venn_enabled = vim.inspect(vim.b.venn_enabled)
  vim.notify = require('notify')
  if venn_enabled == "nil" then
    vim.b.venn_enabled = true
    cmd[[setlocal ve=all]]

    -- draw a line on HJKL keystokes
    a.nvim_buf_set_keymap(0, "n", "J", "<C-v>j:VBox<CR>", {noremap = true})
    a.nvim_buf_set_keymap(0, "n", "K", "<C-v>k:VBox<CR>", {noremap = true})
    a.nvim_buf_set_keymap(0, "n", "L", "<C-v>l:VBox<CR>", {noremap = true})
    a.nvim_buf_set_keymap(0, "n", "H", "<C-v>h:VBox<CR>", {noremap = true})

    -- draw a box by pressing "f" with visual selection
    a.nvim_buf_set_keymap(0, "v", "f", ":VBox<CR>", {noremap = true})
    -- make easier to navigate 
    o.cursorcolumn = true
    o.colorcolumn = { 0 }
    -- notify
    vim.notify("venn toggled on", "info", { title = "Neovim config" })
  else
    cmd[[setlocal ve=]]
    cmd[[mapclear <buffer>]]
    vim.b.venn_enabled = nil
    o.cursorcolumn = false
    o.colorcolumn = { 80 }
    -- notify
    vim.notify("venn toggled off", "info", { title = "Neovim config" })
  end
end
-- toggle keymappings for venn using <leader>v
a.nvim_set_keymap('n', '<leader>v', ":lua Toggle_venn()<CR>", { noremap = true})