import 'dart:convert';

import 'package:libac_dart/discord/structures/user.dart';

import '../../structs/Snowflake.dart';

class Sticker {
  Snowflake id;
  Snowflake? packId;
  String name;
  String? description;
  String tags;
  String? asset;
  int type;
  int formatType;
  bool? available;
  Snowflake? guildId;
  User? user;
  int? sortValue;

  Sticker(
      {required this.id,
      this.packId,
      required this.name,
      required this.description,
      required this.tags,
      this.asset,
      required this.type,
      required this.formatType,
      this.available,
      this.guildId,
      this.user,
      this.sortValue});

  String encode() {
    return json.encode(toJson());
  }

  Map<String, dynamic> toJson() {
    return {
      "id": id.toString(),
      if (packId != null) "pack_id": packId.toString(),
      "name": name,
      "description": description,
      "tags": tags,
      if (asset != null) "asset": asset,
      "type": type,
      "format_type": formatType,
      if (available != null) "available": available,
      if (guildId != null) "guild_id": guildId,
      if (user != null) "user": user!.toJson(),
      if (sortValue != null) "sort_value": sortValue
    };
  }

  factory Sticker.fromJson(String js) {
    return Sticker.decode(json.decode(js));
  }

  factory Sticker.decode(Map<String, dynamic> js) {
    return Sticker(
        id: Snowflake.parse(js['id'], Snowflake.DiscordEpoch),
        packId: js.containsKey("pack_id")
            ? Snowflake.parse(js['pack_id'], Snowflake.DiscordEpoch)
            : null,
        name: js['name'],
        description: js['description'],
        tags: js['tags'],
        asset: js['asset'],
        type: js['type'],
        formatType: js['format_type'],
        available:
            js.containsKey("available") ? bool.parse(js['available']) : null,
        guildId: js.containsKey("guild_id")
            ? Snowflake.parse(js['guild_id'], Snowflake.DiscordEpoch)
            : null,
        user: js.containsKey("user") ? User.decode(js['user']) : null,
        sortValue:
            js.containsKey("sort_value") ? int.parse(js['sort_value']) : null);
  }
}

enum StickerType { STANDARD, GUILD }

enum StickerFormatTypes { PNG, APNG, LOTTIE, GIF }

class StickerItem {
  Snowflake id;
  String name;
  int formatType;

  StickerItem({required this.id, required this.name, required this.formatType});

  String encode() {
    return json.encode(toJson());
  }

  Map<String, dynamic> toJson() {
    return {"id": id.toString(), "name": name, "format_type": formatType};
  }

  factory StickerItem.fromJson(String js) {
    return StickerItem.decode(json.decode(js));
  }

  factory StickerItem.decode(Map<String, dynamic> js) {
    return StickerItem(
        id: Snowflake.parse(js['id'], Snowflake.DiscordEpoch),
        name: js['name'],
        formatType: int.parse(js['format_type']));
  }
}

class StickerPack {
  Snowflake id;
  List<Sticker> stickers;
  String name;
  Snowflake sku_id;
  Snowflake? coverStickerId;
  String description;
  Snowflake? bannerAssetId;

  StickerPack(
      {required this.id,
      required this.stickers,
      required this.name,
      required this.sku_id,
      this.coverStickerId,
      required this.description,
      this.bannerAssetId});

  String encode() {
    return json.encode(toJson());
  }

  Map<String, dynamic> toJson() {
    List<Map<String, dynamic>> stickersJs = [];
    for (Sticker sticker in stickers) {
      stickersJs.add(sticker.toJson());
    }

    return {
      "id": id.toString(),
      "stickers": stickersJs,
      "name": name,
      "sku_id": sku_id.toString(),
      if (coverStickerId != null) "cover_sticker_id": coverStickerId.toString(),
      "description": description,
      if (bannerAssetId != null) "banner_asset_id": bannerAssetId.toString()
    };
  }

  factory StickerPack.fromJson(String js) {
    return StickerPack.decode(json.decode(js));
  }

  factory StickerPack.decode(Map<String, dynamic> js) {
    List<Sticker> jsStickers = [];
    for (var entry in js['stickers']) {
      jsStickers.add(Sticker.decode(entry));
    }

    return StickerPack(
        id: Snowflake.parse(js['id'], Snowflake.DiscordEpoch),
        stickers: jsStickers,
        name: js['name'],
        sku_id: Snowflake.parse(js['sku_id'], Snowflake.DiscordEpoch),
        coverStickerId: js.containsKey("cover_sticker_id")
            ? Snowflake.parse(js['cover_sticker_id'], Snowflake.DiscordEpoch)
            : null,
        description: js['description'],
        bannerAssetId: js.containsKey("banner_asset_id")
            ? Snowflake.parse(js['banner_asset_id'], Snowflake.DiscordEpoch)
            : null);
  }
}