-- debug.lua
--
-- Shows how to use the DAP plugin to debug your code.
--
-- Primarily focused on configuring the debugger for Go, but can
-- be extended to other languages as well. That's why it's called
-- kickstart.nvim and not kitchen-sink.nvim ;)

return {
  -- NOTE: Yes, you can install new plugins here!
  'mfussenegger/nvim-dap',
  -- NOTE: And you can specify dependencies as well
  dependencies = {
    -- Creates a beautiful debugger UI
    'rcarriga/nvim-dap-ui',

    -- Required dependency for nvim-dap-ui
    'nvim-neotest/nvim-nio',

    -- Installs the debug adapters for you
    'williamboman/mason.nvim',
    'jay-babu/mason-nvim-dap.nvim',

    -- Add your own debuggers here
    'leoluz/nvim-dap-go',

    -- Web
    {
      'microsoft/vscode-js-debug',
      -- TODO: check wheter vscode-js-debug has some "build dap server script in package.json"
      build = 'npm i && npx gulp dapDebugServer',
    },
  },
  keys = {
    { -- NOTE: Temporary solution to open chrome - until I'll figure out how to run it automatically
      '<leader>dd',
      ':!open -a "Google Chrome" --args --remote-debugging-port=9222<CR>',
    },
    -- TODO: change lua formatter to keep such entries in one line
    {
      '<leader>dB',
      function()
        require('dap').set_breakpoint(vim.fn.input 'Breakpoint condition: ')
      end,
      desc = 'Breakpoint Condition',
    },
    {
      '<leader>db',
      function()
        require('dap').toggle_breakpoint()
      end,
      desc = 'Toggle Breakpoint',
    },
    {
      '<leader>dc',
      function()
        require('dap').continue()
      end,
      desc = 'Run/Continue',
    },
    {
      '<leader>da',
      function()
        require('dap').continue { before = get_args }
      end,
      desc = 'Run with Args',
    },
    {
      '<leader>dC',
      function()
        require('dap').run_to_cursor()
      end,
      desc = 'Run to Cursor',
    },
    {
      '<leader>dg',
      function()
        require('dap').goto_()
      end,
      desc = 'Go to Line (No Execute)',
    },
    {
      '<leader>di',
      function()
        require('dap').step_into()
      end,
      desc = 'Step Into',
    },
    {
      '<leader>dj',
      function()
        require('dap').down()
      end,
      desc = 'Down',
    },
    {
      '<leader>dk',
      function()
        require('dap').up()
      end,
      desc = 'Up',
    },
    {
      '<leader>dl',
      function()
        require('dap').run_last()
      end,
      desc = 'Run Last',
    },
    {
      '<leader>do',
      function()
        require('dap').step_out()
      end,
      desc = 'Step Out',
    },
    {
      '<leader>dO',
      function()
        require('dap').step_over()
      end,
      desc = 'Step Over',
    },
    {
      '<leader>dP',
      function()
        require('dap').pause()
      end,
      desc = 'Pause',
    },
    -- Toggle to see last session result. Without this, you can't see session output in case of unhandled exception.
    {
      '<leader>dl',
      function()
        require('dapui').toggle()
      end,
      desc = 'Debug: See last session result.',
    },
    {
      '<leader>dr',
      function()
        require('dap').repl.toggle()
      end,
      desc = 'Toggle REPL',
    },
    {
      '<leader>ds',
      function()
        require('dap').session()
      end,
      desc = 'Session',
    },
    {
      '<leader>dt',
      function()
        require('dap').terminate()
      end,
      desc = 'Terminate',
    },
    {
      '<leader>dw',
      function()
        require('dap.ui.widgets').hover()
      end,
      desc = 'Widgets',
    },
  },
  config = function()
    local dap = require 'dap'
    local dapui = require 'dapui'

    require('mason-nvim-dap').setup {
      -- Makes a best effort to setup the various debuggers with
      -- reasonable debug configurations
      automatic_installation = true,

      -- You can provide additional configuration to the handlers,
      -- see mason-nvim-dap README for more information
      handlers = {},

      -- You'll need to check that you have the required things installed
      -- online, please don't ask me how to install them :)
      ensure_installed = {
        -- Update this to ensure that you have the debuggers for the langs you want
        'delve',
      },
    }

    -- Dap UI setup
    -- For more information, see |:help nvim-dap-ui|
    dapui.setup {
      -- Set icons to characters that are more likely to work in every terminal.
      --    Feel free to remove or use ones that you like more! :)
      --    Don't feel like these are good choices.
      icons = { expanded = '▾', collapsed = '▸', current_frame = '*' },
      controls = {
        icons = {
          pause = '⏸',
          play = '▶',
          step_into = '⏎',
          step_over = '⏭',
          step_out = '⏮',
          step_back = 'b',
          run_last = '▶▶',
          terminate = '⏹',
          disconnect = '⏏',
        },
      },
    }

    -- Change breakpoint icons
    -- vim.api.nvim_set_hl(0, 'DapBreak', { fg = '#e51400' })
    -- vim.api.nvim_set_hl(0, 'DapStop', { fg = '#ffcc00' })
    -- local breakpoint_icons = vim.g.have_nerd_font
    --     and { Breakpoint = '', BreakpointCondition = '', BreakpointRejected = '', LogPoint = '', Stopped = '' }
    --   or { Breakpoint = '●', BreakpointCondition = '⊜', BreakpointRejected = '⊘', LogPoint = '◆', Stopped = '⭔' }
    -- for type, icon in pairs(breakpoint_icons) do
    --   local tp = 'Dap' .. type
    --   local hl = (type == 'Stopped') and 'DapStop' or 'DapBreak'
    --   vim.fn.sign_define(tp, { text = icon, texthl = hl, numhl = hl })
    -- end

    dap.listeners.after.event_initialized['dapui_config'] = dapui.open
    dap.listeners.before.event_terminated['dapui_config'] = dapui.close
    dap.listeners.before.event_exited['dapui_config'] = dapui.close

    for _, adapterType in ipairs { 'node', 'chrome', 'msedge' } do
      local pwaType = 'pwa-' .. adapterType

      dap.adapters[pwaType] = {
        type = 'server',
        host = 'localhost',
        port = '${port}',
        executable = {
          command = 'node',
          args = {
            vim.fn.stdpath 'data' .. '/lazy/vscode-js-debug/dist/src/dapDebugServer.js',
            '${port}',
          },
        },
      }

      -- this allow us to handle launch.json configurations
      -- which specify type as "node" or "chrome" or "msedge"
      dap.adapters[adapterType] = function(cb, config)
        local nativeAdapter = dap.adapters[pwaType]

        config.type = pwaType

        if type(nativeAdapter) == 'function' then
          nativeAdapter(cb, config)
        else
          cb(nativeAdapter)
        end
      end
    end

    local enter_launch_url = function()
      local co = coroutine.running()
      return coroutine.create(function()
        vim.ui.input({ prompt = 'Enter URL: ', default = 'http://localhost:4201' }, function(url)
          if url == nil or url == '' then
            return
          else
            coroutine.resume(co, url)
          end
        end)
      end)
    end

    for _, language in ipairs { 'typescript', 'javascript', 'typescriptreact', 'javascriptreact', 'vue' } do
      dap.configurations[language] = {
        -- NOTE: Tested configs
        -- NOTE: inspired by https://github.com/StevanFreeborn/nvim-config/blob/main/lua/plugins/debugging.lua
        -- TODO: Figure out why I have two additional configurations when starting debugger: "Launch Chrome Debugger", "Debug App Two"
        -- now I have to do "open -a "Google Chrome" --args --remote-debugging-port=9222"
        {
          -- TODO: Figure out how to launch chrome automatically
          -- url = enter_launch_url,
          name = 'Attach to Chrome',
          type = 'pwa-chrome',
          request = 'attach',
          program = '${file}',
          cwd = vim.fn.getcwd(),
          sourceMaps = true,
          protocol = 'inspector',
          port = 9222,
          webRoot = '${workspaceFolder}',
        },
        {
          -- TODO: This config launches chrome, breapoints are working, but it's very slow for some reason
          type = 'pwa-chrome',
          request = 'launch',
          name = 'Launch Chrome (nvim-dap)',
          url = enter_launch_url,
          webRoot = '${workspaceFolder}',
          sourceMaps = true,
        },

        -- NOTE: Untested configs
        {
          type = 'pwa-node',
          request = 'launch',
          name = 'Launch file using Node.js (nvim-dap)',
          program = '${file}',
          cwd = '${workspaceFolder}',
        },
        {
          type = 'pwa-node',
          request = 'attach',
          name = 'Attach to process using Node.js (nvim-dap)',
          processId = require('dap.utils').pick_process,
          cwd = '${workspaceFolder}',
        },
        -- requires ts-node to be installed globally or locally
        {
          type = 'pwa-node',
          request = 'launch',
          name = 'Launch file using Node.js with ts-node/register (nvim-dap)',
          program = '${file}',
          cwd = '${workspaceFolder}',
          runtimeArgs = { '-r', 'ts-node/register' },
        },
        {
          type = 'pwa-msedge',
          request = 'launch',
          name = 'Launch Edge (nvim-dap)',
          url = enter_launch_url,
          webRoot = '${workspaceFolder}',
          sourceMaps = true,
        },
      }
    end

    -- Install golang specific config
    require('dap-go').setup {
      delve = {
        -- On Windows delve must be run attached or it crashes.
        -- See https://github.com/leoluz/nvim-dap-go/blob/main/README.md#configuring
        detached = vim.fn.has 'win32' == 0,
      },
    }
  end,
}