---@type LazyVimConfig
local M = {}

M.lazy_version = ">=9.1.0"

---@class LazyVimConfig
local defaults = {
  -- colorscheme can be a string like `catppuccin` or a function that will load the colorscheme
  ---@type string|fun()
  colorscheme = function()
    require("tokyonight").load()
  end,
  -- icons used by other plugins
  icons = {
    diagnostics = {
      Error = " ",
      Warn = " ",
      Hint = " ",
      Info = " ",
    },
    git = {
      added = " ",
      modified = " ",
      removed = " ",
    },
    kinds = {
      Array = " ",
      Boolean = " ",
      Class = " ",
      Color = " ",
      Constant = " ",
      Constructor = " ",
      Enum = " ",
      EnumMember = " ",
      Event = " ",
      Field = " ",
      File = " ",
      Folder = " ",
      Function = " ",
      Interface = " ",
      Key = " ",
      Keyword = " ",
      Method = " ",
      Module = " ",
      Namespace = " ",
      Null = "ﳠ ",
      Number = " ",
      Object = " ",
      Operator = " ",
      Package = " ",
      Property = " ",
      Reference = " ",
      Snippet = " ",
      String = " ",
      Struct = " ",
      Text = " ",
      TypeParameter = " ",
      Unit = " ",
      Value = " ",
      Variable = " ",
    },
  },
}

---@type LazyVimConfig
local options

---@param opts? LazyVimConfig
function M.setup(opts)
  options = vim.tbl_deep_extend("force", defaults, opts or {})
  if not M.has() then
    require("lazy.core.util").error(
      "**LazyVim** needs **lazy.nvim** version "
        .. M.lazy_version
        .. " to work properly.\n"
        .. "Please upgrade **lazy.nvim**",
      { title = "LazyVim" }
    )
  end

  -- autocmds and keymaps can wait to load
  vim.api.nvim_create_autocmd("User", {
    group = vim.api.nvim_create_augroup("LazyVim", { clear = true }),
    pattern = "VeryLazy",
    callback = function()
      M.load("autocmds")
      M.load("keymaps")
    end,
  })

  require("lazy.core.util").try(function()
    if type(M.colorscheme) == "function" then
      M.colorscheme()
    else
      vim.cmd.colorscheme(M.colorscheme)
    end
  end, {
    msg = "Could not load your colorscheme",
    on_error = function(msg)
      require("lazy.core.util").error(msg)
      vim.cmd.colorscheme("habamax")
    end,
  })
end

---@param range? string
function M.has(range)
  local Semver = require("lazy.manage.semver")
  return Semver.range(range or M.lazy_version):matches(require("lazy.core.config").version or "0.0.0")
end

---@param name "autocmds" | "options" | "keymaps"
function M.load(name)
  local Util = require("lazy.core.util")
  -- always load lazyvim, then user file
  for _, mod in ipairs({ "lazyvim.config." .. name, "config." .. name }) do
    Util.try(function()
      require(mod)
    end, {
      msg = "Failed loading " .. mod,
      on_error = function(msg)
        local modpath = require("lazy.core.cache").find(mod)
        if modpath then
          Util.error(msg)
        end
      end,
    })
  end
end

setmetatable(M, {
  __index = function(_, key)
    if options == nil then
      M.setup()
    end
    ---@cast options LazyVimConfig
    return options[key]
  end,
})

return M