(let [mod {}
      keymap vim.keymap
      substitute (require :substitute)
      telescope (require :telescope)
      telescope-builtin (require :telescope.builtin)
      telescope-themes (require :telescope.themes)
      telescope-nifoc (require :nifoc.telescope)
      telescope-toggleterm (require :telescope-toggleterm)
      telescope-ivy (telescope-themes.get_ivy)
      telescope-dropdown (telescope-themes.get_dropdown)
      npairs (require :nvim-autopairs)
      gitsigns (require :gitsigns)
      repl (require :nifoc.repl)
      formatting (require :nifoc.formatting)
      nifoc-lsp (require :nifoc.lsp)]
  (fn map-entry [key cmd opts]
    (vim.tbl_extend :keep {1 key 2 cmd} opts))

  (fn mod.setup []
    (keymap.set :n :<space> :<nop> {:noremap true})
    (set vim.g.mapleader " ")
    (set vim.opt.timeoutlen 400)
    ;; Leader Mappings
    (keymap.set :n :<leader>o telescope-nifoc.project-files
                {:desc "Find Files"})
    (keymap.set :n :<leader>s #(telescope-builtin.live_grep telescope-ivy)
                {:desc "Live Grep"})
    (keymap.set :n :<leader>fn :<cmd>enew<CR> {:desc "New File"})
    (keymap.set :n :<leader>u :<cmd>UrlView<CR> {:desc "Open UrlView"})
    (keymap.set :n :<leader>ut :<cmd>UndotreeToggle<CR>
                {:desc "Toggle Undotree"})
    (keymap.set :n :<leader>c repl.toggle-shell {:desc "Toggle Shell"})
    (keymap.set :n :<leader>cs #(telescope-toggleterm.open telescope-dropdown)
                {:desc "Select Terminal"})
    (keymap.set :n :<leader>r repl.toggle-repl {:desc "Toggle REPL"})
    (keymap.set :n :<leader>bl #(telescope-builtin.buffers telescope-dropdown)
                {:desc "List Buffers"})
    (keymap.set :n :<leader>bn :<cmd>BufferLineCycleNext<CR>
                {:desc "Next Buffer"})
    (keymap.set :n :<leader>bp :<cmd>BufferLineCyclePrev<CR>
                {:desc "Previous Buffer"})
    (keymap.set :n :<leader>bf
                #(telescope-builtin.current_buffer_fuzzy_find telescope-dropdown)
                {:desc "Find In Buffer"})
    (keymap.set :n :<leader>bt
                #(telescope-builtin.treesitter telescope-dropdown)
                {:desc "Find via Treesitter"})
    (keymap.set :n :<leader>pt :<cmd>TodoTelescope<CR> {:desc "TODO Comments"})
    (keymap.set :n :<leader>vs #(telescope-builtin.git_status telescope-ivy)
                {:desc "VCS Status"})
    (keymap.set :n :<leader>vb
                #(telescope-builtin.git_branches telescope-dropdown)
                {:desc "List VCS Branches"})
    (keymap.set :n :<leader>vl gitsigns.blame_line {:desc "Blame Line"})
    (keymap.set :n :<leader>vn :<cmd>Neogit<CR> {:desc "Open Neogit"})
    (keymap.set :n :<leader>vc "<cmd>Neogit commit<CR>" {:desc "Neogit Commit"})
    (keymap.set :n :<leader>vp "<cmd>Neogit pull<CR>" {:desc "Neogit Pull"})
    (keymap.set :n :<leader>vP "<cmd>Neogit push<CR>" {:desc "Neogit Push"})
    (keymap.set :n :<leader>lk telescope-builtin.keymaps
                {:desc "Show Keymappings"})
    (keymap.set :n :<leader>ld #(telescope-builtin.diagnostics telescope-ivy)
                {:desc "Show Diagnostics"})
    (keymap.set :n :<leader>dli :<cmd>LspInfo<CR> {:desc "LSP Info"})
    (keymap.set :n :<leader>dlr :<cmd>LspRestart<CR> {:desc "Restart LSP"})
    (keymap.set :n :<leader>dt :<cmd>TSPlaygroundToggle<CR>
                {:desc "Toggle Treetsitter Playground"})
    (keymap.set :n :<leader>dn telescope.extensions.notify.notify
                {:desc "Display Notifications"})
    ;; Other Mappings
    (keymap.set :n :<CR> ":nohlsearch<CR><CR>" {:silent true})
    (keymap.set :i :<CR> npairs.autopairs_cr {:expr true :silent true})
    (keymap.set :n :F formatting.maybe-format-buffer {:desc "Format Buffer"})
    (keymap.set :n :<A-Left> :b)
    (keymap.set :n :<A-Right> :w)
    (keymap.set :n :<S-Left> "^")
    (keymap.set :n :<S-Right> "$")
    (keymap.set :i :<A-Left> :<C-o>b)
    (keymap.set :i :<A-Right> :<C-o>w)
    (keymap.set :i :<S-Left> :<C-o>^)
    (keymap.set :i :<S-Right> :<C-o>$)
    (keymap.set :n :p "<Plug>(YankyPutAfter)")
    (keymap.set :n :P "<Plug>(YankyPutBefore)")
    (keymap.set :x :p substitute.visual)
    (keymap.set :x :P "<Plug>(YankyPutBefore)")
    (keymap.set :n :gp "<Plug>(YankyGPutAfter)")
    (keymap.set :n :gP "<Plug>(YankyGPutBefore)")
    (keymap.set :x :gp "<Plug>(YankyGPutAfter)")
    (keymap.set :x :gP "<Plug>(YankyGPutBefore)")
    (keymap.set :n :y "<Plug>(YankyYank)")
    (keymap.set :x :y "<Plug>(YankyYank)"))

  (fn mod.lsp-attach [client bufnr]
    (keymap.set :n :<leader>t
                #(telescope-builtin.lsp_document_symbols telescope-dropdown)
                {:buffer bufnr :desc "LSP Document Symbols"})
    (keymap.set :n :<leader>tw
                #(telescope-builtin.lsp_dynamic_workspace_symbols telescope-dropdown)
                {:buffer bufnr :desc "LSP Workspace Symbols"})
    (keymap.set :n :<leader>lca
                #(telescope-builtin.lsp_code_actions telescope-dropdown)
                {:buffer bufnr :desc "LSP Code Action"})
    (keymap.set :n :<leader>lfr
                #(telescope-builtin.lsp_references telescope-dropdown)
                {:buffer bufnr :desc "Find References"})
    (keymap.set :n :<leader>lfd
                #(telescope-builtin.lsp_definitions telescope-dropdown)
                {:buffer bufnr :desc "Find Definitions"})
    (keymap.set :n :<leader>lfi
                #(telescope-builtin.lsp_implementations telescope-dropdown)
                {:buffer bufnr :desc "Find Implementations"})
    (keymap.set :n :K vim.lsp.buf.hover
                {:buffer bufnr :desc "Show Documentation"})
    (keymap.set :n :<leader>ddsc nifoc-lsp.symbols-under-cursor
                {:buffer bufnr :desc "Document Symbols Under Cursor"}))

  (fn mod.terminal-open [bufnr]
    (let [map-opts {:buffer bufnr}]
      (keymap.set :t :<esc> "<C-\\><C-n>" map-opts)
      (keymap.set :t :<C-h> "<C-\\><C-n><C-W>h" map-opts)
      (keymap.set :t :<C-j> "<C-\\><C-n><C-W>j" map-opts)
      (keymap.set :t :<C-k> "<C-\\><C-n><C-W>k" map-opts)
      (keymap.set :t :<C-l> "<C-\\><C-n><C-W>l" map-opts)))

  mod)