---@alias CdProject.Adapter "telescope"|"vim-ui"
---@alias CdProject.ChoiceFormat "name"|"path"|"both"

---@class CdProject.Config
---@field projects_config_filepath string
---@field project_dir_pattern string[]
---@field choice_format? CdProject.ChoiceFormat
---@field projects_picker? CdProject.Adapter
---@field hooks? CdProject.Hook[]
---@field format_json? boolean

---@type CdProject.Config
local default_config = {
  -- this json file is acting like a database to update and read the projects in real time.
  -- So because it's just a json file, you can edit directly to add more paths you want manually
  projects_config_filepath = vim.fs.normalize(vim.fn.stdpath("config") .. "/cd-project.nvim.json"),
  -- this controls the behaviour of `CdProjectAdd` command about how to get the project directory
  project_dir_pattern = { ".git", ".gitignore", "Cargo.toml", "package.json", "go.mod" },
  choice_format = "both", -- optional, you can switch to "name" or "path"
  projects_picker = "vim-ui", -- optional, you can switch to `telescope`
  auto_register_project = false, -- optional, toggle on/off the auto add project behaviour
  -- do whatever you like by hooks
  hooks = {
    {
      callback = function(dir)
        vim.notify("switched to dir: " .. dir)
      end,
    },
    {
      callback = function(dir)
        vim.notify("switched to dir: " .. dir)
      end, -- required, action when trigger the hook
      name = "cd hint", -- optional
      order = 1, -- optional, the exection order if there're multiple hooks to be trigger at one point
      pattern = "cd-project.nvim", -- optional, trigger hook if contains pattern
      trigger_point = "DISABLE", -- optional, enum of trigger_points, default to `AFTER_CD`
      match_rule = function(dir) -- optional, a function return bool. if have this fields, then pattern will be ignored
        return true
      end,
    },
  }
}

local M = {}

---@type CdProject.Config
vim.g.cd_project_config = default_config

---@param user_config? CdProject.Config
M.setup = function(user_config)
  local previous_config = vim.g.cd_project_config or default_config
  vim.g.cd_project_config = vim.tbl_deep_extend("force", previous_config, user_config or {}) or default_config
  if vim.g.cd_project_config.auto_register_project then
    require("cd-project.auto").setup()
  else
    require("cd-project.auto").clear()
  end
end

return M