local function get_default_package()
  local curr_file = vim.fn.expand("%:t")
  curr_file = curr_file:gsub(".kt", "")
  local path = vim.fn.expand("%:p:h")
  local project_root = vim.fn.getcwd()
  local relative_path = path:sub(#project_root + 1)
  relative_path = relative_path:gsub("app\\src\\test\\kotlin\\", "")
  relative_path = relative_path:gsub("app/src/test/kotlin/", "")
  relative_path = relative_path:gsub("\\", ".")
  relative_path = relative_path:gsub("/", ".")
  return relative_path:sub(2) .. "." .. curr_file
end

return {
  -- install treesitter
  {
    "nvim-treesitter/nvim-treesitter",
    opts = function(_, opts)
      opts.ensure_installed = opts.ensure_installed or {}
      vim.list_extend(opts.ensure_installed, { "kotlin" })
    end,
  },
  {
    "williamboman/mason-lspconfig.nvim",
    opts = function(_, opts)
      opts.ensure_installed = opts.ensure_installed or {}
      vim.list_extend(opts.ensure_installed, { "kotlin_language_server" })
    end,
  },
  {
    "pojokcodeid/auto-conform.nvim",
    event = "VeryLazy",
    opts = function(_, opts)
      opts.formatters_by_ft = opts.formatters_by_ft or {}
      local package = "ktfmt"
      vim.list_extend(opts.ensure_installed, { package })
      opts.formatters_by_ft.kotlin = { package }
    end,
  },
  {
    "pojokcodeid/auto-lint.nvim",
    optional = true,
    opts = function(_, opts)
      opts.linters_by_ft = opts.linters_by_ft or {}
      vim.list_extend(opts.ensure_installed, { "ktlint" })
      opts.linters_by_ft.kotlin = { "ktlint" }
    end,
  },
  {
    "mason.nvim",
    opts = {
      ensure_installed = { "kotlin-debug-adapter" },
    },
  },
  {
    "rcarriga/nvim-dap-ui",
    lazy = true,
    event = "BufRead",
    dependencies = {
      { "mfussenegger/nvim-dap", lazy = true },
      { "nvim-neotest/nvim-nio", lazy = true },
    },
    opts = function()
      require("pcode.user.dapui")
      local dap = require("dap")
      if not dap.adapters.kotlin then
        dap.adapters.kotlin = {
          type = "executable",
          command = "kotlin-debug-adapter",
          options = { auto_continue_if_many_stopped = false },
        }
      end

      dap.configurations.kotlin = {
        {
          type = "kotlin",
          request = "launch",
          name = "This file",
          -- may differ, when in doubt, whatever your project structure may be,
          -- it has to correspond to the class file located at `build/classes/`
          -- and of course you have to build before you debug
          mainClass = function()
            local root = vim.uv.cwd()
            local fname = vim.api.nvim_buf_get_name(0)
            fname = fname:gsub(root, "")
            fname = fname:gsub("/app/src/main/kotlin/", "")
            fname = fname:gsub(".kt", "Kt"):gsub("/", ".")
            -- src/main/kotlin/websearch/Main.kt -> websearch.MainKt
            return fname
          end,
          projectRoot = "${workspaceFolder}",
          jsonLogFile = "",
          enableJsonLogging = false,
        },
        {
          -- Use this for unit tests
          -- First, run
          -- ./gradlew --info cleanTest test --debug-jvm
          -- then attach the debugger to it
          type = "kotlin",
          request = "attach",
          name = "Attach to debugging session",
          port = 5005,
          args = {},
          projectRoot = vim.fn.getcwd,
          hostName = "localhost",
          timeout = 2000,
        },
      }
    end,
    keys = {
      { "<leader>d", "", desc = "  Debug" },
      { "<leader>dt", "<cmd>lua require'dap'.toggle_breakpoint()<cr>", desc = "Toggle Breakpoint" },
      { "<leader>db", "<cmd>lua require'dap'.step_back()<cr>", desc = "Step Back" },
      { "<leader>dc", "<cmd>lua require'dap'.continue()<cr>", desc = "Continue" },
      { "<leader>dC", "<cmd>lua require'dap'.run_to_cursor()<cr>", desc = "Run To Cursor" },
      { "<leader>dd", "<cmd>lua require'dap'.disconnect()<cr>", desc = "Disconnect" },
      { "<leader>dg", "<cmd>lua require'dap'.session()<cr>", desc = "Get Session" },
      { "<leader>di", "<cmd>lua require'dap'.step_into()<cr>", desc = "Step Into" },
      { "<leader>do", "<cmd>lua require'dap'.step_over()<cr>", desc = "Step Over" },
      { "<leader>du", "<cmd>lua require'dap'.step_out()<cr>", desc = "Step Out" },
      { "<leader>dp", "<cmd>lua require'dap'.pause()<cr>", desc = "Pause" },
      { "<leader>dr", "<cmd>lua require'dap'.repl.toggle()<cr>", desc = "Toggle Repl" },
      { "<leader>ds", "<cmd>lua require'dap'.continue()<cr>", desc = "Start" },
      { "<leader>dq", "<cmd>lua require'dap'.close()<cr>", desc = "Quit" },
      { "<leader>dU", "<cmd>lua require'dapui'.toggle({reset = true})<cr>", desc = "Toggle UI" },
      -- setting cek
      -- https://stackoverflow.com/questions/9356543/logging-while-testing-through-gradle
      { "<leader>T", "", desc = " Test" },
      { "<leader>Ta", "<cmd>terminal gradle test<cr>", desc = "Run All" },
      {
        "<leader>Tu",
        function()
          local current_word = ""
          local input = vim.fn.getline(".")
          current_word = all_trim((input:gsub("class", "")):gsub("{", "")) -- hilangkan bagian class
          current_word = current_word:gsub("fun", "")
          current_word = current_word:gsub("%(%)", "")
          current_word = current_word:gsub("{", "")
          current_word = current_word:gsub("@Test", "")
          require("notify").notify(
            'gradle test --tests "' .. get_default_package() .. "." .. all_trim(current_word) .. '"',
            "info"
          )
          vim.fn.jobstart("gradle cleanTest", {
            on_exit = function()
              vim.cmd('terminal gradle test --tests "' .. get_default_package() .. "." .. all_trim(current_word) .. '"')
            end,
          })
        end,
        desc = "Run Under Cursor",
      },
      {
        "<leader>Tf",
        function()
          require("notify").notify('gradle test --tests "' .. get_default_package() .. '"', "info")
          vim.fn.jobstart("gradle cleanTest", {
            on_exit = function()
              vim.cmd('terminal gradle test --tests "' .. get_default_package() .. '"')
            end,
          })
        end,
        desc = "Run Current File",
      },
      { "<leader>rg", "<cmd>terminal<cr>gradle run<cr>", desc = "Run Gradle", mode = "n" },
    },
  },
}