-- lua/plugins/conform.lua
-- Code formatting via conform.nvim

return {
  'stevearc/conform.nvim',
  event = { 'BufWritePre' },
  cmd = { 'ConformInfo' },
  keys = {
    {
      '<leader>f',
      function()
        require('conform').format { async = true, lsp_format = 'fallback' }
      end,
      mode = '',
      desc = '[F]ormat buffer',
    },
  },
  opts = {
    notify_on_error = false,

    format_on_save = function(bufnr)
      -- Disable lsp_fallback for languages without a standardized style.
      local disable_filetypes = { c = true, cpp = true }
      if disable_filetypes[vim.bo[bufnr].filetype] then
        return nil
      end
      return { timeout_ms = 500, lsp_format = 'fallback' }
    end,

    formatters = {
      yamlfmt = {
        prepend_args = { '-conf', vim.fn.expand '~/.config/yamlfmt/.yamlfmt' },
      },
    },

    formatters_by_ft = {
      lua = { 'stylua' },
      python = { 'black' },
      javascript = { 'biome', 'prettier', stop_after_first = true },
      typescript = { 'biome', 'prettier', stop_after_first = true },
      javascriptreact = { 'biome', 'prettier', stop_after_first = true },
      typescriptreact = { 'biome', 'prettier', stop_after_first = true },
      json = { 'biome', 'prettier', stop_after_first = true },
      html = { 'prettier' },
      css = { 'prettier' },
      graphql = { 'prettier' },
      yaml = { 'yamlfmt' },
    },
  },
}