-------------------------------------------------------------------------------
--    - NeoVim DAP (Debug Adapter Protocol) config -
-------------------------------------------------------------------------------

local dap = require('dap')

dap.adapters.python = {
	type = 'executable';
	command = 'python';
	args = { '-m', 'debugpy.adapter' };
}

dap.configurations.python = {
  {
    -- The first three options are required by nvim-dap
    type = 'python'; -- the type here established the link to the adapter definition: `dap.adapters.python`
    request = 'launch';
    name = "Launch file";


    program = "${file}"; -- This configuration will launch the current file if used.
  },
}

local netcoredbg_bin = vim.fn.glob('$HOME') .. "/dap/netcoredbg/netcoredbg"
dap.adapters.netcoredbg = {
  type = 'executable',
  command = netcoredbg_bin,
  args = {'--interpreter=vscode'}
}

dap.configurations.cs = {
  {
    type = "netcoredbg",
    name = "launch - netcoredbg",
    request = "launch",
    program = function()
        return vim.fn.input('Path to dll', vim.fn.getcwd() .. '/bin/Debug/', 'file')
    end,
  },
}

-- Nvim DAP Treesitter integration
vim.g.dap_virtual_text = true

-- Keymaps
local function set_keymap(...) vim.api.nvim_set_keymap(...) end

local default_opts = {noremap = true, silent = true}
set_keymap('n', '<Leader>db', "<cmd>lua require'dap'.toggle_breakpoint()<CR>", default_opts)
set_keymap('n', '<Leader>dc', "<cmd>lua require'dap'.continue()<CR>", default_opts)
set_keymap('n', '<Leader>dso', "<cmd>lua require'dap'.step_over()<CR>", default_opts)
set_keymap('n', '<Leader>dsi', "<cmd>lua require'dap'.step_into()<CR>", default_opts)
set_keymap('n', '<Leader>dro', "<cmd>lua require'dap'.open()<CR>", default_opts)

-- Debugger Hover map
local api = vim.api
local keymap_restore = {}
dap.listeners.after['event_initialized']['me'] = function()
  for _, buf in pairs(api.nvim_list_bufs()) do
    local keymaps = api.nvim_buf_get_keymap(buf, 'n')
    for _, keymap in pairs(keymaps) do
      if keymap.lhs == "K" then
        table.insert(keymap_restore, keymap)
        api.nvim_buf_del_keymap(buf, 'n', 'K')
      end
    end
  end
  api.nvim_set_keymap(
    'n', 'K', '<Cmd>lua require("dap.ui.variables").hover()<CR>', { silent = true })
end

dap.listeners.after['event_terminated']['me'] = function()
  for _, keymap in pairs(keymap_restore) do
    api.nvim_buf_set_keymap(
      keymap.buffer,
      keymap.mode,
      keymap.lhs,
      keymap.rhs,
      { silent = keymap.silent == 1 }
    )
  end
  keymap_restore = {}
end