<?php
define('MASTER_CSV',  'LazyVoiceFinder_export.csv');
define('VANILLA_DIR', 'vanilla');
define('MOD_DIR',     'mod');

try {
	$vanilla_csv_file = VANILLA_DIR . '/' . MASTER_CSV;
	$mod_csv_file     = MOD_DIR . '/' . MASTER_CSV;

	if ( !file_exists($vanilla_csv_file) ) {
		throw new Exception( $vanilla_csv_file . ' not exists.' );
	}

	if ( !file_exists($mod_csv_file) ) {
		throw new Exception( $mod_csv_file . ' not exists.' );
	}

	$vanilla_data = [];

	parse_vanilla_csv($vanilla_csv_file);
	parse_mod_csv($mod_csv_file);
} catch (Exception $e) {
	echo $e->GetMessage() . PHP_EOL;
}

function parse_vanilla_csv($csv_filename)
{
	global $vanilla_data;

	$fp = fopen($csv_filename, 'r');

	if ( !$fp ) {
		throw new Exception('could not open csv file - ' . $csv_filename);
	}

	$csv_line_count = 0;
	$fuz_count = 0;

	// ヘッダ行を読み捨てる
	fgets($fp);
	$csv_line_count++;

	while ( !feof($fp) ) {
		$ary = fgetcsv($fp);
		$csv_line_count++;

		// CSVですらない不正な行(ファイルの末尾など)
		if ( !is_array($ary) ) {
			continue;
		}

		// カラムの数が合わない不正な行
		if ( count($ary) != 8 ) {
			continue;
		}

		// セリフが存在しない行
		$dialogue = trim($ary[6]);

		if ( strlen($dialogue) == 0 ) {
			continue;
		}

		$fuz_count++;

		$fuz_file = $ary[4];
		$vanilla_data[$fuz_file] = $ary[6];
	}

	fclose($fp);

	echo $csv_filename . PHP_EOL;
	echo '  csv_line: ' . $csv_line_count . PHP_EOL;
	echo '  fuz:      ' . $fuz_count . PHP_EOL;
}

function parse_mod_csv($csv_filename)
{
	global $vanilla_data;

	$fp = fopen($csv_filename, 'r');

	if ( !$fp ) {
		throw new Exception('could not open csv file - ' . $csv_filename);
	}

	$csv_line_count = 0;
	$fuz_count = 0;
	$match_count = 0;

	// ヘッダ行を読み捨てる
	fgets($fp);
	$csv_line_count++;

	while ( !feof($fp) ) {
		$ary = fgetcsv($fp);
		$csv_line_count++;

		// CSVですらない不正な行(ファイルの末尾など)
		if ( !is_array($ary) ) {
			continue;
		}

		// カラムの数が合わない不正な行
		if ( count($ary) != 8 ) {
			continue;
		}

		// セリフが存在しない行
		$dialogue = trim($ary[6]);

		if ( strlen($dialogue) == 0 ) {
			continue;
		}

		$fuz_count++;

		$fuz_file = $ary[4];
		$dialogue = $ary[6];

		$key = array_search($dialogue, $vanilla_data);

		if ( $key ) {
			$match_count++;

			copy_fuz_file($key, $fuz_file);
		}
	}

	fclose($fp);

	echo $csv_filename . PHP_EOL;
	echo '  csv_line: ' . $csv_line_count . PHP_EOL;
	echo '  fuz:      ' . $fuz_count . PHP_EOL;
	echo '  match:    ' . $match_count . PHP_EOL;
}

function copy_fuz_file($copy_from, $copy_to)
{
	$copy_from = VANILLA_DIR . '/' . $copy_from;
	$copy_to   = MOD_DIR . '/' . $copy_to;

	if ( !file_exists($copy_from) ) {
		throw new Exception($copy_from . ' not exists.');
	}

	if ( file_exists($copy_to) ) {
		throw new Exception($copy_to . ' already exists.');
	}

	copy($copy_from, $copy_to);
}