<?php

namespace App\TwitchBot;

use App\Models\ChatLog;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;

class TokenizedMessage {

	public function __construct($text, $tags = []) {
		$this->text = trim($text);
		$this->tags = $tags;
		$this->raw = strtolower(preg_replace('/[^\w]/u', '', $this->text));
		$this->tokens = array_values(array_map('trim', array_filter(preg_split('/\b/u', strtolower($this->text)))));

		$this->emoteless = $this->text;
		if (isset($this->tags['emotes']) && !empty($this->tags['emotes'])) {
			$emotes = explode('/', $this->tags['emotes']);
			foreach ($emotes as $emote) {
				$set = explode(':', $emote);
				$positions = explode(',', $set[1]);
				foreach ($positions as $position) {
					$coords = explode('-', $position);
					$emote_text = mb_substr($this->text, $coords[0], $coords[1] - $coords[0] + 1);
					$this->original_emotes[] = $emote_text;
					$this->emotes[] = preg_replace('/\d+$/', '', strtolower($emote_text));
					$this->emoteless = mb_substr($this->emoteless, 0, $coords[0]).str_repeat(' ', $coords[1] - $coords[0] + 1).mb_substr($this->emoteless, $coords[1] + 1);
				}
			}
			$this->emoteless = trim(preg_replace('/\s+/u', ' ', $this->emoteless));
		}
		$this->emoteless_raw = strtolower(preg_replace('/[^\w]/u', '', $this->emoteless));
		$this->emoteless_tokens = array_values(array_map('trim', array_filter(preg_split('/\b/u', strtolower($this->emoteless)))));
	}

	public static function fromIRC(IRCMessage $msg) {
		return new self($msg->getText(), $msg->tags);
	}

	public static function fromLog(ChatLog $log) {
		return new self($log->params[1], $log->tags);
	}

	public static function fromString($text, $tags = []) {
		return new self($text, $tags);
	}


	public function contains($text) {
		return Str::contains($this->text, $text);
	}

	public function containsEmoteless($text) {
		return Str::contains($this->emoteless, $text);
	}

	public function containsRaw($text) {
		return Str::contains($this->raw, $text);
	}

	public function endsWith($text) {
		return Str::endsWith($this->text, $text);
	}

	public function endsWithEmoteless($text) {
		return Str::endsWith($this->emoteless, $text);
	}

	public function endsWithEmotelessToken($text) {
		return !empty($this->emoteless_tokens) && $this->emoteless_tokens[count($this->emoteless_tokens) - 1] == $text;
	}

	public function endsWithRaw($text) {
		return Str::endsWith($this->raw, $text);
	}

	public function endsWithToken($text) {
		return !empty($this->tokens) && $this->tokens[count($this->tokens) - 1] == $text;
	}

	public function getEmotes() {
		return $this->emotes;
	}

	public function getNumericValue() {
		return intval($this->text);
	}

	public function getOriginalEmotes() {
		return $this->original_emotes;
	}

	public function hasConsecutiveTokens($tokens) {
		for ($i = 0; $i < count($this->tokens) - count($tokens) + 1; ++$i) {
			for ($j = 0; $j < count($tokens); ++$j) {
				if ($this->tokens[$i + $j] != $tokens[$j]) break;
			}
			if ($j == count($tokens)) return true;
		}
		return false;
	}

	public function hasEmote($text) {
		if (is_array($text)) {
			foreach ($text as $token) {
				if (in_array($token, $this->emotes)) {
					return true;
				}
			}
			return false;
		}
		return in_array($text, $this->emotes);
	}

	public function hasEmoteThatContains($text) {
		foreach ($this->emotes as $emote) {
			if (Str::contains($emote, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasEmoteThatEndsWith($text) {
		foreach ($this->emotes as $emote) {
			if (Str::endsWith($emote, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasEmoteThatStartsOrEndsWith($text) {
		foreach ($this->emotes as $emote) {
			if (Str::startsWith($emote, $text) || Str::endsWith($emote, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasEmoteThatStartsWith($text) {
		foreach ($this->emotes as $emote) {
			if (Str::startsWith($emote, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasToken($text) {
		if (is_array($text)) {
			foreach ($text as $token) {
				if (in_array($token, $this->tokens)) {
					return true;
				}
			}
			return false;
		}
		return in_array($text, $this->tokens);
	}

	public function hasTokenThatContains($text) {
		foreach ($this->tokens as $token) {
			if (Str::contains($token, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasTokenThatEndsWith($text) {
		foreach ($this->tokens as $token) {
			if (Str::endsWith($token, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasTokenThatStartsOrEndsWith($text) {
		foreach ($this->tokens as $token) {
			if (Str::startsWith($token, $text) || Str::endsWith($token, $text)) {
				return true;
			}
		}
		return false;
	}

	public function hasTokenThatStartsWith($text) {
		foreach ($this->tokens as $token) {
			if (Str::startsWith($token, $text)) {
				return true;
			}
		}
		return false;
	}

	public function isLong() {
		return strlen($this->emoteless_raw) > 20;
	}

	public function isShort() {
		return strlen($this->emoteless_raw) < 15;
	}

	public function isVeryLong() {
		return strlen($this->emoteless_raw) > 40;
	}

	public function startsOrEndsWith($text) {
		return $this->startsWith($text) || $this->endsWith($text);
	}

	public function startsOrEndsWithEmotelessToken($text) {
		return $this->startsWithEmotelessToken($text) || $this->endsWithEmotelessToken($text);
	}

	public function startsOrEndsWithRaw($text) {
		return $this->startsWithRaw($text) || $this->endsWithRaw($text);
	}

	public function startsOrEndsWithToken($text) {
		return $this->startsWithToken($text) || $this->endsWithToken($text);
	}

	public function startsWith($text) {
		return Str::startsWith($this->text, $text);
	}

	public function startsWithEmoteless($text) {
		return Str::startsWith($this->emoteless, $text);
	}

	public function startsWithEmotelessToken($text) {
		return isset($this->emoteless_tokens[0]) && $this->emoteless_tokens[0] == $text;
	}

	public function startsWithRaw($text) {
		return Str::startsWith($this->raw, $text);
	}

	public function startsWithToken($text) {
		return isset($this->tokens[0]) && $this->tokens[0] == $text;
	}


	public function isSpammy() {
		if ($this->startsWith('!')) {
			return true;
		}
		if ($this->contains(['€', '$', '@', '://'])) {
			return true;
		}
		if ($this->containsRaw(['followers', 'promotion', 'viewers'])) {
			return true;
		}
		if ($this->containsRaw('horsti')) {
			return true;
		}
		if ($this->containsRaw([
			'folgtjetzt',
			'hatdeinenkanalgeraided',
			'isnowlivestreaming',
			'stürmtdenladenmit',
			'thanksfortheraid',
			'verschwindetfürneweileindenlurk',
			'vielendankfürdenraid',
			'willkommenaufstarbase47',
		])) {
			return true;
		}
		return false;
	}


	public function classify() {
		if (is_null($this->classification)) {
			if (empty($this->text) || $this->isVeryLong()) {
				$this->classification = 'unclassified';
			} else if ($this->startsWith('!')) {
				$this->classification = 'cmd';
			} else if ($this->isShort() && ($this->hasTokenThatStartsOrEndsWith(['gg']) || $this->hasEmoteThatEndsWith(['gg']))) {
				$this->classification = 'gg';
			} else if ($this->isShort() && $this->containsRaw(['glgl', 'glhf', 'goodluck', 'hfgl', 'vielglück'])) {
				$this->classification = 'gl';
			} else if ($this->hasToken(['danke', 'thanks', 'thx', 'ty']) && !$this->hasToken(['nah', 'nee', 'nein', 'no'])) {
				$this->classification = 'thx';
			} else if (!$this->isLong() && ($this->startsWithRaw(['ahoi', 'hallo', 'hello', 'hey', 'huhu', 'moin']) || $this->hasEmoteThatEndsWith(['hello', 'heyguys', 'hi', 'vohiyo', 'wave']) || $this->hasToken(['hi', 'hey', 'yo']) || $this->containsRaw(['gutenmorgen', 'gutenabend']))) {
				$this->classification = 'hi';
			} else if ($this->isShort() && $this->hasTokenThatStartsOrEndsWith(['pog', 'wow'])) {
				$this->classification = 'pog';
			} else if ($this->containsRaw(['hype', 'letsgo']) || $this->hasEmoteThatEndsWith(['dance', 'jam', 'party', 'rave', 'troete'])) {
				$this->classification = 'hype';
			} else if ($this->hasToken(['<3']) || $this->hasEmoteThatEndsWith(['heart', 'herz', 'hug', 'love'])) {
				$this->classification = 'love';
			} else if ($this->hasToken(['nani', 'wat', 'wtf']) || $this->hasEmoteThatEndsWith(['wat', 'wtf'])) {
				$this->classification = 'wtf';
			} else if ($this->hasConsecutiveTokens([':', 'eyes', ':']) || $this->hasEmoteThatEndsWith(['eyes'])) {
				$this->classification = 'eyes';
			} else if ($this->hasEmoteThatEndsWith(['angry', 'rage', 'ree'])) {
				$this->classification = 'rage';
			} else if ($this->hasToken([':(']) || $this->hasEmoteThatEndsWith(['cry', 'sad'])) {
				$this->classification = 'sad';
			} else if ($this->hasToken(['monkas', 'sweat_smile']) || $this->hasEmoteThatEndsWith(['sweat'])) {
				$this->classification = 'sweat';
			} else if ($this->endsWithEmoteless('?')) {
				$this->classification = 'question';
			} else if ($this->hasToken(['jo', 'yep', 'yes']) || $this->startsOrEndsWithEmotelessToken('ja') || $this->containsRaw('nodders') || $this->hasEmoteThatEndsWith(['nod', 'nodders', 'yea'])) {
				$this->classification = 'yes';
			} else if ($this->hasToken(['nah', 'nee', 'nein', 'no']) || $this->containsRaw('nopers') || $this->hasEmoteThatEndsWith(['nay', 'nope', 'nopers'])) {
				$this->classification = 'no';
			} else if ($this->hasEmoteThatContains(['kappa', 'keepo'])) {
				$this->classification = 'kappa';
			} else if ($this->startsOrEndsWithRaw(['o7']) || $this->hasEmoteThatContains('salut')) {
				$this->classification = 'o7';
			} else if (!$this->isLong() && ($this->containsRaw(['haha', 'hehe', 'hihi', 'kekw', 'lol', 'lul']) || $this->hasTokenThatStartsWith(['xd']) || $this->hasConsecutiveTokens([':', 'd']))) {
				$this->classification = 'lol';
			} else if (is_numeric($this->raw)) {
				$this->classification = 'number';
			} else {
				$this->classification = 'unclassified';
			}
		}
		return $this->classification;
	}

	public function getResponseCategory() {
		switch ($this->classify()) {
			case 'gg':
				return ['love', 'eyes', 'thx', 'pog', 'kappa'];
			case 'gl':
				return ['love', 'eyes', 'thx'];
			case 'hi':
				return ['hi', 'love', 'eyes', 'hype', 'pog'];
			case 'kappa':
				return ['kappa', 'lol', 'eyes'];
			case 'love':
				return ['hi', 'love', 'eyes', 'thx'];
			case 'question':
				if (
					$this->hasToken(['number', 'nummer', 'wieviel', 'zahl']) ||
					$this->hasConsecutiveTokens(['how', 'many']) ||
					$this->hasConsecutiveTokens(['how', 'much']) ||
					$this->hasConsecutiveTokens(['wie', 'viele'])
				) {
					return ['yes', 'no', 'kappa', 'lol', 'wtf', 'number'];
				}
				return ['yes', 'no', 'kappa', 'lol', 'wtf'];
			case 'rage':
				return ['kappa', 'lol', 'rage'];
			case 'wtf':
				return ['kappa', 'lol', 'rage'];
		}
		return false;
	}


	private $text;
	private $tags;
	private $raw;
	private $tokens;

	private $emotes = [];
	private $original_emotes = [];
	private $emoteless = '';
	private $emoteless_raw = '';
	private $emoteless_tokens = [];

	private $classification = null;

}