<?php

/*
 * PHP-CS-Fixer config codifying the style already in use under lib/ and
 * public/. Deliberately NOT based on @PSR2/@PSR12 - this codebase diverges
 * from those on purpose (tabs, no space before control-structure parens),
 * so pulling in a preset would rewrite most of the codebase to match a
 * style nobody uses here. Rules below were derived by sampling lib/*.php,
 * not from a style guide.
 */

$finder = (new PhpCsFixer\Finder())
	->in([__DIR__.'/lib', __DIR__.'/public'])
	->append([__DIR__.'/config/settings-sample.php'])
	->name('*.php');

return (new PhpCsFixer\Config())
	->setIndent("\t")
	->setLineEnding("\n")
	->setRules([
		//Strings: single quotes except where interpolation needs double
		'single_quote' => true,

		//Arrays: short [] syntax, not long-form array()
		'array_syntax' => ['syntax' => 'short'],

		//Braces: same line as class/function signature (dominant in lib/,
		//not the PSR-2 next-line-for-class convention)
		'braces_position' => [
			'classes_opening_brace' => 'same_line',
			'functions_opening_brace' => 'same_line',
			'anonymous_functions_opening_brace' => 'same_line'
		],

		//Concatenation: no padding around `.`
		'concat_space' => ['spacing' => 'none'],

		//true/false/null: lowercase (100% consistent already)
		'constant_case' => ['case' => 'lower'],
		'lowercase_keywords' => true,

		'visibility_required' => ['elements' => ['method', 'property', 'const']],

		//Housekeeping - safe regardless of style
		'no_unused_imports' => true,
		'no_trailing_whitespace' => true,
		'no_trailing_whitespace_in_comment' => true,
		'single_blank_line_at_eof' => true,
		'no_empty_statement' => true,
		'trim_array_spaces' => true,
		'new_with_parentheses' => true
	])
	->setFinder($finder);