-- =============================================================================
-- dap.lua — DAP 调试器
-- =============================================================================

return {
  {
    "mfussenegger/nvim-dap",
    dependencies = {
      "rcarriga/nvim-dap-ui",
      "nvim-neotest/nvim-nio",
      "williamboman/mason.nvim",
      { "theHamsta/nvim-dap-virtual-text", opts = {} },
      { "Weissle/persistent-breakpoints.nvim", opts = { load_breakpoints_event = { "BufReadPost" } } },
    },
    config = function()
      local dap = require("dap")
      local dapui = require("dapui")

      -- 断点图标
      vim.fn.sign_define("DapBreakpoint", { text = "●", texthl = "DapBreakpoint", linehl = "", numhl = "" })
      vim.fn.sign_define("DapBreakpointCondition", { text = "◆", texthl = "DapBreakpointCondition", linehl = "", numhl = "" })
      vim.fn.sign_define("DapStopped", { text = "▶", texthl = "DapStopped", linehl = "CursorLine", numhl = "" })

      -- dap-ui 布局
      dapui.setup({
        layouts = {
          {
            elements = {
              { id = "stacks", size = 0.25 },
              { id = "scopes", size = 0.25 },
              { id = "breakpoints", size = 0.25 },
              { id = "watches", size = 0.25 },
            },
            position = "left",
            size = 40,
          },
          {
            elements = {
              { id = "repl", size = 0.5 },
              { id = "console", size = 0.5 },
            },
            position = "bottom",
            size = 10,
          },
        },
      })

      -- 调试会话自动打开/关闭 UI
      dap.listeners.before.attach.dapui_config = function() dapui.open() end
      dap.listeners.before.launch.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

      -- codelldb 适配器
      dap.adapters.codelldb = {
        type = "server",
        port = "${port}",
        executable = {
          command = vim.fn.stdpath("data") .. "/mason/bin/codelldb",
          args = { "--port", "${port}" },
        },
      }

      -- C/C++ 调试配置
      dap.configurations.c = {
        {
          name = "Launch",
          type = "codelldb",
          request = "launch",
          program = function()
            return vim.fn.input("可执行文件路径: ", vim.fn.getcwd() .. "/", "file")
          end,
          cwd = "${workspaceFolder}",
          stopOnEntry = false,
          args = {},
        },
      }
      dap.configurations.cpp = dap.configurations.c
    end,
  },

  -- Mason DAP 自动安装
  {
    "jay-babu/mason-nvim-dap.nvim",
    dependencies = { "williamboman/mason.nvim", "mfussenegger/nvim-dap" },
    event = "BufReadPost",
    opts = { ensure_installed = { "codelldb" } },
  },
}