local dapui = require('dapui')
local dap = require("dap")

-- DAP UI setup
dapui.setup()

-- Basic DAP UI event listeners
dap.listeners.after.event_initialized["dapui_config"] = function()
  dapui.open()
end
dap.listeners.before.event_terminated["dapui_config"] = function()
  dapui.close()
end
dap.listeners.before.event_exited["dapui_config"] = function()
  dapui.close()
end

-- DAP for C

dap.adapters.gdb = {
  type = "executable",
  command = "gdb",
  args = { "--interpreter=dap", "--eval-command", "set print pretty on" }
}

dap.adapters.lldb = {
  type = 'executable',
  command = 'lldb-dap',
  name = 'lldb'
}

dap.configurations.c = {
  {
    name = "Launch",
    type = "gdb",
    request = "launch",
    program = function()
      return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
    end,
    cwd = "${workspaceFolder}",
    stopOnEntry = false,
  },
  {
    name = "Select and attach to process",
    type = "gdb",
    request = "attach",
    program = function()
       return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
    end,
    pid = function()
       local name = vim.fn.input('Executable name (filter): ')
       return require("dap.utils").pick_process({ filter = name })
    end,
    cwd = '${workspaceFolder}'
  },
  {
    name = 'Attach to process',
    type = 'gdb',
    request = 'attach',
    pid = function ()
        return vim.fn.input('Enter PID: ')
    end,
    args = {},
  },
  {
    name = 'Attach to gdbserver :1234',
    type = 'gdb',
    request = 'attach',
    target = 'localhost:1234',
    program = function()
       return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
    end,
    cwd = '${workspaceFolder}'
  },
}

dap.configurations.zig = {
  {
    name = "Debug Zig Executable",
    type = "lldb",
    request = "launch",
    program = function()
      return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/zig-out/bin/', 'file')
    end,
    cwd = "${workspaceFolder}",
    args = {},
    stopOnEntry = false,
  },
   {
    name = 'Attach to Zig Process',
    type = 'lldb',
    request = 'attach',
    pid = require('dap.ui.widgets').hover,
    args = {},
  }
}

-- DAP Keybinds
vim.keymap.set('n', '<F5>', function() dap.continue() end)
vim.keymap.set('n', '<F10>', function() dap.step_over() end)
vim.keymap.set('n', '<F11>', function() dap.step_into() end)
vim.keymap.set('n', '<F12>', function() dap.step_out() end)
vim.keymap.set('n', '<Leader>bp', function() dap.toggle_breakpoint() end)
vim.keymap.set('n', '<Leader>dr', function() dap.repl.open() end)