import { Injectable, Type } from '@nestjs/common';
import { Reflector } from '@nestjs/core';
import {
  ActionOptions,
  CashtagOptions,
  CommandOptions,
  EntityOptions,
  HashtagOptions,
  HearsOptions,
  InlineQueryOptions,
  MentionOptions,
  OnOptions,
  PhoneOptions,
  UpdateHookOptions,
} from '../decorators';
import { DECORATORS } from '../telegraf.constants';

@Injectable()
export class MetadataAccessorService {
  constructor(private readonly reflector: Reflector) {}

  isUpdate(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.UPDATE, target);
  }

  isUpdateHook(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.UPDATE_HOOK, target);
  }

  getUpdateHookMetadata(
    target: Type<any> | Function,
  ): UpdateHookOptions | undefined {
    return this.reflector.get(DECORATORS.UPDATE_HOOK, target);
  }

  isTelegrafUse(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.USE, target);
  }

  isTelegrafOn(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.ON, target);
  }

  getTelegrafOnMetadata(target: Type<any> | Function): OnOptions | undefined {
    return this.reflector.get(DECORATORS.ON, target);
  }

  isTelegrafHears(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.HEARS, target);
  }

  getTelegrafHearsMetadata(
    target: Type<any> | Function,
  ): HearsOptions | undefined {
    return this.reflector.get(DECORATORS.HEARS, target);
  }

  isTelegrafCommand(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.COMMAND, target);
  }

  getTelegrafCommandMetadata(
    target: Type<any> | Function,
  ): CommandOptions | undefined {
    return this.reflector.get(DECORATORS.COMMAND, target);
  }

  isTelegrafStart(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.START, target);
  }

  isTelegrafHelp(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.HELP, target);
  }

  isTelegrafSettings(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.SETTINGS, target);
  }

  isTelegrafEntity(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.ENTITY, target);
  }

  getTelegrafEntityMetadata(
    target: Type<any> | Function,
  ): EntityOptions | undefined {
    return this.reflector.get(DECORATORS.ENTITY, target);
  }

  isTelegrafMention(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.MENTION, target);
  }

  getTelegrafMentionMetadata(
    target: Type<any> | Function,
  ): MentionOptions | undefined {
    return this.reflector.get(DECORATORS.MENTION, target);
  }

  isTelegrafPhone(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.PHONE, target);
  }

  getTelegrafPhoneMetadata(
    target: Type<any> | Function,
  ): PhoneOptions | undefined {
    return this.reflector.get(DECORATORS.PHONE, target);
  }

  isTelegrafHashtag(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.HASHTAG, target);
  }

  getTelegrafHashtagMetadata(
    target: Type<any> | Function,
  ): HashtagOptions | undefined {
    return this.reflector.get(DECORATORS.HASHTAG, target);
  }

  isTelegrafCashtag(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.CASHTAG, target);
  }

  getTelegrafCashtagMetadata(
    target: Type<any> | Function,
  ): CashtagOptions | undefined {
    return this.reflector.get(DECORATORS.CASHTAG, target);
  }

  isTelegrafAction(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.ACTION, target);
  }

  getTelegrafActionMetadata(
    target: Type<any> | Function,
  ): ActionOptions | undefined {
    return this.reflector.get(DECORATORS.ACTION, target);
  }

  isTelegrafInlineQuery(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.INLINE_QUERY, target);
  }

  getTelegrafInlineQueryMetadata(
    target: Type<any> | Function,
  ): InlineQueryOptions | undefined {
    return this.reflector.get(DECORATORS.INLINE_QUERY, target);
  }

  isTelegrafGameQuery(target: Type<any> | Function): boolean {
    if (!target) {
      return false;
    }
    return !!this.reflector.get(DECORATORS.GAME_QUERY, target);
  }
}