-- lua/plugins/debug.lua
-- DAP debugging: Go + PHP/Xdebug support

return {
  'mfussenegger/nvim-dap',
  dependencies = {
    'rcarriga/nvim-dap-ui',
    'nvim-neotest/nvim-nio',
    'mason-org/mason.nvim',
    'jay-babu/mason-nvim-dap.nvim',
    'leoluz/nvim-dap-go',
    'nvim-telescope/telescope-dap.nvim',
  },
  keys = {
    {
      '<F5>',
      function()
        require('dap').continue()
      end,
      desc = 'Debug: Start/Continue',
    },
    {
      '<F1>',
      function()
        require('dap').step_into()
      end,
      desc = 'Debug: Step Into',
    },
    {
      '<F2>',
      function()
        require('dap').step_over()
      end,
      desc = 'Debug: Step Over',
    },
    {
      '<F3>',
      function()
        require('dap').step_out()
      end,
      desc = 'Debug: Step Out',
    },
    {
      '<F7>',
      function()
        require('dapui').toggle()
      end,
      desc = 'Debug: Toggle UI',
    },
    {
      '<leader>b',
      function()
        require('dap').toggle_breakpoint()
      end,
      desc = 'Debug: Toggle Breakpoint',
    },
    {
      '<leader>B',
      function()
        require('dap').set_breakpoint(vim.fn.input 'Condition: ')
      end,
      desc = 'Debug: Set Conditional Breakpoint',
    },
    {
      '<leader>dv',
      function()
        require('telescope').extensions.dap.variables()
      end,
      desc = 'Debug: Find [V]ariables',
    },
    {
      '<leader>df',
      function()
        require('telescope').extensions.dap.frames()
      end,
      desc = 'Debug: Find [F]rames',
    },
    {
      '<leader>dc',
      function()
        require('telescope').extensions.dap.commands()
      end,
      desc = 'Debug: Find [C]ommands',
    },
    {
      '<leader>db',
      function()
        require('telescope').extensions.dap.list_breakpoints()
      end,
      desc = 'Debug: List [B]reakpoints',
    },
  },
  config = function()
    local dap = require 'dap'
    local dapui = require 'dapui'

    require('mason-nvim-dap').setup {
      automatic_installation = true,
      handlers = {},
      ensure_installed = { 'delve', 'php-debug-adapter' },
    }

    dapui.setup {
      icons = { expanded = '▾', collapsed = '▸', current_frame = '*' },
      controls = {
        icons = {
          pause = '⏸',
          play = '▶',
          step_into = '⏎',
          step_over = '⏭',
          step_out = '⏮',
          step_back = 'b',
          run_last = '▶▶',
          terminate = '⏹',
          disconnect = '⏏',
        },
      },
    }

    -- Auto-open/close dapui with debug sessions
    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

    -- Go
    require('dap-go').setup {
      delve = { detached = vim.fn.has 'win32' == 0 },
    }

    -- PHP / Xdebug
    dap.adapters.php = {
      type = 'executable',
      command = 'node',
      args = { vim.fn.stdpath 'data' .. '/mason/packages/php-debug-adapter/extension/out/phpDebug.js' },
    }
    dap.configurations.php = {
      { type = 'php', request = 'launch', name = 'Listen for Xdebug', port = 9003 },
      { type = 'php', request = 'launch', name = 'Listen for Xdebug (DDEV)', port = 9003, pathMappings = { ['/var/www/html'] = '${workspaceFolder}' } },
      {
        type = 'php',
        request = 'launch',
        name = 'Run current script',
        port = 9003,
        cwd = '${fileDirname}',
        program = '${file}',
        runtimeExecutable = 'php',
      },
    }

    -- Telescope DAP extension
    require('telescope').load_extension 'dap'
  end,
}