local setup = {
  plugins = {
    marks = true,       -- shows a list of your marks on ' and `
    registers = true,   -- shows your registers on " in NORMAL or <C-r> in INSERT mode
    spelling = {
      enabled = true,   -- enabling this will show WhichKey when pressing z= to select spelling suggestions
      suggestions = 20, -- how many suggestions should be shown in the list?
    },
    -- the presets plugin, adds help for a bunch of default keybindings in Neovim
    -- No actual key bindings are created
    presets = {
      operators = true,    -- adds help for operators like d, y, ... and registers them for motion / text object completion
      motions = true,      -- adds help for motions
      text_objects = true, -- help for text objects triggered after entering an operator
      windows = true,      -- default bindings on <c-w>
      nav = true,          -- misc bindings to work with windows
      z = true,            -- bindings for folds, spelling and others prefixed with z
      g = true,            -- bindings for prefixed with g
    },
  },
  -- add operators that will trigger motion and text object completion
  -- to enable all native operators, set the preset / operators plugin above
  -- operators = { gc = "Comments" },
  key_labels = {
    -- override the label used to display some keys. It doesn't effect WK in any other way.
    -- For example:
    -- ["<space>"] = "SPC",
    -- ["<CR>"] = "RET",
    -- ["<tab>"] = "TAB",
  },
  icons = {
    breadcrumb = "»", -- symbol used in the command line area that shows your active key combo
    separator = "➜", -- symbol used between a key and it's label
    group = "+", -- symbol prepended to a group
  },
  popup_mappings = {
    scroll_down = "<c-d>", -- binding to scroll down inside the popup
    scroll_up = "<c-u>",   -- binding to scroll up inside the popup
  },
  window = {
    border = "rounded",       -- none, single, double, shadow
    position = "bottom",      -- bottom, top
    margin = { 1, 0, 1, 0 },  -- extra window margin [top, right, bottom, left]
    padding = { 2, 2, 2, 2 }, -- extra window padding [top, right, bottom, left]
    winblend = 0,
  },
  layout = {
    height = { min = 4, max = 25 },                                             -- min and max height of the columns
    width = { min = 20, max = 50 },                                             -- min and max width of the columns
    spacing = 3,                                                                -- spacing between columns
    align = "left",                                                             -- align columns left, center or right
  },
  ignore_missing = true,                                                        -- enable this to hide mappings for which you didn't specify a label
  hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ " }, -- hide mapping boilerplate
  show_help = true,                                                             -- show help message on the command line when the popup is visible
  triggers = "auto",                                                            -- automatically setup triggers
  -- triggers = {"<leader>"} -- or specify a list manually
  triggers_blacklist = {
    -- list of mode / prefixes that should never be hooked by WhichKey
    -- this is mostly relevant for key maps that start with a native binding
    -- most people should not need to change this
    i = { "j", "k" },
    v = { "j", "k" },
  },
}

local opts = {
  mode = "n",     -- NORMAL mode
  prefix = "<leader>",
  buffer = nil,   -- Global mappings. Specify a buffer number for buffer local mappings
  silent = true,  -- use `silent` when creating keymaps
  noremap = true, -- use `noremap` when creating keymaps
  nowait = true,  -- use `nowait` when creating keymaps
}

local mappings = {
  ["b"] = {
    "<cmd>lua require('telescope.builtin').buffers(require('telescope.themes').get_dropdown{previewer = false})<CR>",
    "Buffers",
  },
  ["c"] = { "<cmd>lua _G.close_and_go_right()<CR>", "Close Buffer" },
  ["e"] = { "<cmd>Neotree toggle left<CR>", "Explorer" },
  ["f"] = {
    "<cmd>lua require('telescope.builtin').find_files(require('telescope.themes').get_dropdown{previewer = false})<CR>",
    "Find files",
  },
  ["F"] = { "<cmd>Telescope live_grep theme=ivy<CR>", "Find Text" },
  ["h"] = { "<cmd>nohlsearch<CR>", "No Highlight" },
  ["m"] = { "<cmd>MarkdownPreviewToggle<CR>", "Toggle markdow previewer" },

  g = {
    name = "Git",
    g = { "<cmd>lua _LAZYGIT_TOGGLE()<CR>", "Lazygit" },
    j = { "<cmd>lua require('gitsigns').next_hunk()<CR>", "Next Hunk" },
    k = { "<cmd>lua require('gitsigns').prev_hunk()<CR>", "Prev Hunk" },
    l = { "<cmd>lua require('gitsigns').blame_line()<CR>", "Blame" },
    p = { "<cmd>lua require('gitsigns').preview_hunk()<CR>", "Preview Hunk" },
    r = { "<cmd>lua require('gitsigns').reset_hunk()<CR>", "Reset Hunk" },
    R = { "<cmd>lua require('gitsigns').reset_buffer()<CR>", "Reset Buffer" },
    s = { "<cmd>lua require('gitsigns').stage_hunk()<CR>", "Stage Hunk" },
    u = { "<cmd>lua require('gitsigns').undo_stage_hunk()<CR>", "Undo Stage Hunk", },
    o = { "<cmd>Telescope git_status<CR>", "Open changed file" },
    b = { "<cmd>Telescope git_branches<CR>", "Checkout branch" },
    c = { "<cmd>Telescope git_commits<CR>", "Checkout commit" },
    d = { "<cmd>Gitsigns diffthis HEAD<CR>", "Diff", },
  },

  l = {
    name = "LSP",
    a = { "<cmd>lua vim.lsp.buf.code_action()<CR>", "Code Action" },
    d = { "<cmd>Telescope diagnostics bufnr=0<CR>", "Document Diagnostics", },
    w = { "<cmd>Telescope diagnostics<CR>", "Workspace Diagnostics", },
    f = { "<cmd>lua vim.lsp.buf.format{async=true}<CR>", "Format" },
    i = { "<cmd>LspInfo<CR>", "Info" },
    I = { "<cmd>LspInstallInfo<CR>", "Installer Info" },
    j = { "<cmd>lua vim.lsp.diagnostic.goto_next()<CR>", "Next Diagnostic", },
    k = { "<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>", "Prev Diagnostic", },
    l = { "<cmd>lua vim.lsp.codelens.run()<CR>", "CodeLens Action" },
    q = { "<cmd>lua vim.diagnostic.setloclist()<CR>", "Quickfix" },
    r = { "<cmd>lua vim.lsp.buf.rename()<CR>", "Rename" },
    s = { "<cmd>Telescope lsp_document_symbols<CR>", "Document Symbols" },
    S = { "<cmd>Telescope lsp_dynamic_workspace_symbols<CR>", "Workspace Symbols", },
  },

  s = {
    name = "Search",
    b = { "<cmd>Telescope git_branches<CR>", "Checkout branch" },
    c = { "<cmd>Telescope colorscheme<CR>", "Colorscheme" },
    h = { "<cmd>Telescope help_tags<CR>", "Find Help" },
    r = { "<cmd>Telescope oldfiles<CR>", "Open Recent File" },
    R = { "<cmd>Telescope registers<CR>", "Registers" },
    k = { "<cmd>Telescope keymaps<CR>", "Keymaps" },
    C = { "<cmd>Telescope commands<CR>", "Commands" },
  },

  t = {
    name = "Terminal",
    f = { "<cmd>ToggleTerm direction=float<CR>", "Float" },
    h = { "<cmd>ToggleTerm size=10 direction=horizontal<CR>", "Horizontal" },
    v = { "<cmd>ToggleTerm size=80 direction=vertical<CR>", "Vertical" },
  },

  d = {
    name = "Debugging",
    c = { "<cmd>lua require('dap').continue()<CR>", "Start/Continue (F5)" },
    o = { "<cmd>lua require('dap').step_over()<CR>", "Step Over (F10)" },
    ["["] = { "<cmd>lua require('dap').step_out()<CR>", "Step Out (F12)" },
    ["]"] = { "<cmd>lua require('dap').step_into()<CR>", "Step Into (F11)" },
    b = { "<cmd>lua require('dap').toggle_breakpoint()<CR>", "Toggle Braekpoint" },
    B = { "<cmd>lua require('dap').set_breakpoint(vim.fn.input('Breakpoint condition: '))<CR>", "Set Breakpoint with Condition" },
    u = { "<cmd>lua require('dapui').toggle()<CR>", "Toggle UI" }
  }
}

local which_key = require("which-key")

which_key.setup(setup)
which_key.register(mappings, opts)