local M = {}

function M.config()
  lvim.builtin.autopairs = {
    active = true,
    on_config_done = nil,
    ---@usage  modifies the function or method delimiter by filetypes
    map_char = {
      all = "(",
      tex = "{",
    },
    ---@usage check bracket in same line
    enable_check_bracket_line = false,
    ---@usage check treesitter
    check_ts = true,
    ts_config = {
      lua = { "string", "source" },
      javascript = { "string", "template_string" },
      java = false,
    },
    disable_filetype = { "TelescopePrompt", "spectre_panel" },
    ignored_next_char = string.gsub([[ [%w%%%'%[%"%.] ]], "%s+", ""),
    enable_moveright = true,
    ---@usage disable when recording or executing a macro
    disable_in_macro = false,
    ---@usage add bracket pairs after quote
    enable_afterquote = true,
    ---@usage map the <BS> key
    map_bs = true,
    ---@usage map <c-w> to delete a pair if possible
    map_c_w = false,
    ---@usage disable when insert after visual block mode
    disable_in_visualblock = false,
    ---@usage  change default fast_wrap
    fast_wrap = {
      map = "<M-e>",
      chars = { "{", "[", "(", '"', "'" },
      pattern = string.gsub([[ [%'%"%)%>%]%)%}%,] ]], "%s+", ""),
      offset = 0, -- Offset from pattern match
      end_key = "$",
      keys = "qwertyuiopzxcvbnmasdfghjkl",
      check_comma = true,
      highlight = "Search",
      highlight_grey = "Comment",
    },
  }
end

M.setup = function()
  local autopairs = require "nvim-autopairs"
  local Rule = require "nvim-autopairs.rule"
  local cond = require "nvim-autopairs.conds"

  autopairs.setup {
    check_ts = lvim.builtin.autopairs.check_ts,
    enable_check_bracket_line = lvim.builtin.autopairs.enable_check_bracket_line,
    ts_config = lvim.builtin.autopairs.ts_config,
    disable_filetype = lvim.builtin.autopairs.disable_filetype,
    disable_in_macro = lvim.builtin.autopairs.disable_in_macro,
    ignored_next_char = lvim.builtin.autopairs.ignored_next_char,
    enable_moveright = lvim.builtin.autopairs.enable_moveright,
    enable_afterquote = lvim.builtin.autopairs.enable_afterquote,
    map_c_w = lvim.builtin.autopairs.map_c_w,
    map_bs = lvim.builtin.autopairs.map_bs,
    disable_in_visualblock = lvim.builtin.autopairs.disable_in_visualblock,
    fast_wrap = lvim.builtin.autopairs.fast_wrap,
  }

  autopairs.add_rule(Rule("$$", "$$", "tex"))
  autopairs.add_rules {
    Rule("$", "$", { "tex", "latex" }) -- don't add a pair if the next character is %
      :with_pair(cond.not_after_regex_check "%%") -- don't add a pair if  the previous character is xxx
      :with_pair(cond.not_before_regex_check("xxx", 3)) -- don't move right when repeat character
      :with_move(cond.none()) -- don't delete if the next character is xx
      :with_del(cond.not_after_regex_check "xx") -- disable  add newline when press <cr>
      :with_cr(cond.none()),
  }
  autopairs.add_rules {
    Rule("$$", "$$", "tex"):with_pair(function(opts)
      print(vim.inspect(opts))
      if opts.line == "aa $$" then
        -- don't add pair on that line
        return false
      end
    end),
  }

  require("nvim-treesitter.configs").setup { autopairs = { enable = true } }

  local ts_conds = require "nvim-autopairs.ts-conds"

  -- TODO: can these rules be safely added from "config.lua" ?
  -- press % => %% is only inside comment or string
  autopairs.add_rules {
    Rule("%", "%", "lua"):with_pair(ts_conds.is_ts_node { "string", "comment" }),
    Rule("$", "$", "lua"):with_pair(ts_conds.is_not_ts_node { "function" }),
  }

  if lvim.builtin.autopairs.on_config_done then
    lvim.builtin.autopairs.on_config_done(autopairs)
  end
end

return M