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import type {  EmbedAuthor,  EmbedField,  EmbedFooter,  EmbedImage,  EmbedPayload,  EmbedProvider,  EmbedThumbnail,  EmbedTypes,  EmbedVideo} from '../types/channel.ts'import { Colors, ColorUtil } from '../utils/colorutil.ts'import type { MessageAttachment } from './message.ts'
/** Message Embed Object */export class Embed {  title?: string  type?: EmbedTypes  description?: string  url?: string  timestamp?: string  color?: number  footer?: EmbedFooter  image?: EmbedImage  thumbnail?: EmbedThumbnail  video?: EmbedVideo  provider?: EmbedProvider  author?: EmbedAuthor  fields?: EmbedField[]  files: MessageAttachment[] = []
  static MAX_TITLE_LENGTH = 256  static MAX_DESCRIPTION_LENGTH = 4096  static MAX_FIELD_NAME_LENGTH = 256  static MAX_FIELD_VALUE_LENGTH = 1024  static MAX_FIELDS_LENGTH = 25  static MAX_FOOTER_TEXT_LENGTH = 2048  static MAX_AUTHOR_NAME_LENGTH = 256  static MAX_EMBED_LENGTH = 6000
  constructor(data?: EmbedPayload) {    this.title = data?.title    this.type = data?.type    this.description = data?.description    this.url = data?.url    this.timestamp = data?.timestamp    this.color = data?.color    this.footer = data?.footer    this.image = data?.image    this.thumbnail = data?.thumbnail    this.video = data?.video    this.provider = data?.provider    this.author = data?.author    this.fields = data?.fields  }
  /** Convert Embed Object to Embed Payload JSON */  toJSON(): EmbedPayload {    let total = 0    if (      this.title?.length !== undefined &&      this.title?.length > Embed.MAX_TITLE_LENGTH    ) {      total += Number(this.title.length)      throw new Error(        `Embed title cannot exceed ${Embed.MAX_TITLE_LENGTH} characters.`      )    }
    if (      this.description?.length !== undefined &&      this.description?.length > Embed.MAX_DESCRIPTION_LENGTH    ) {      total += Number(this.description.length)      throw new Error(        `Embed description cannot exceed ${Embed.MAX_DESCRIPTION_LENGTH} characters.`      )    }
    if (this.fields?.length !== undefined) {      this.fields.forEach((field) => {        if (field.name.length > Embed.MAX_FIELD_NAME_LENGTH) {          total += Number(field.name.length)          throw new Error(            `Embed field name cannot exceed ${Embed.MAX_FIELD_NAME_LENGTH} characters.`          )        }
        if (field.value.length > Embed.MAX_FIELD_VALUE_LENGTH) {          total += Number(field.value.length)          throw new Error(            `Embed field value cannot exceed ${Embed.MAX_FIELD_VALUE_LENGTH} characters.`          )        }      })      if (this.fields.length > Embed.MAX_FIELDS_LENGTH)        throw new Error('Embed fields cannot exceed 25 field objects.')    }
    if (      this.footer?.text?.length !== undefined &&      this.footer?.text?.length > Embed.MAX_FOOTER_TEXT_LENGTH    ) {      total += Number(this.footer?.text?.length)      throw new Error(        `Embed footer text cannot exceed ${Embed.MAX_FOOTER_TEXT_LENGTH}.`      )    }
    if (      this.author?.name?.length !== undefined &&      this.author?.name?.length > Embed.MAX_AUTHOR_NAME_LENGTH    ) {      total += Number(this.author?.name?.length)      throw new Error(        `Embed author name cannot exceed ${Embed.MAX_AUTHOR_NAME_LENGTH}.`      )    }
    if (total > Embed.MAX_EMBED_LENGTH)      throw new Error(        `Embed characters cannot exceed ${Embed.MAX_EMBED_LENGTH} characters in total.`      )
    return {      title: this.title,      type: this.type,      description: this.description,      url: this.url,      timestamp: this.timestamp,      color: this.color,      footer: this.footer,      image: this.image,      thumbnail: this.thumbnail,      video: this.video,      provider: this.provider,      author: this.author,      fields: this.fields    }  }
  /** Set Title of the Embed */  setTitle(title: string): Embed {    this.title = title    return this  }
  /** Set Embed description */  setDescription(description: string): Embed {    this.description = description    return this  }
  attach(...files: MessageAttachment[]): Embed {    for (const file of files) {      this.files.push(file)    }    return this  }
  /** Set Embed Type */  setType(type: EmbedTypes): Embed {    this.type = type    return this  }
  /** Set URL of the Embed */  setURL(url: string | URL): Embed {    this.url = typeof url === 'object' ? url.toString() : url    return this  }
  /** Set Timestamp of the Embed */  setTimestamp(timeString: string): Embed  setTimestamp(unixTimestamp: number): Embed  setTimestamp(dateObject: Date): Embed  setTimestamp(timestamp: string | Date | number): Embed {    this.timestamp = new Date(timestamp).toISOString()    return this  }
  /** Set Color of the Embed */  setColor(hexInt: number): Embed  setColor(r: number, g: number, b: number): Embed  setColor(random: 'random'): Embed  setColor(hexStr: string): Embed  setColor(namedColor: keyof Colors): Embed  setColor(    color: number | 'random' | string | keyof Colors,    g?: number,    b?: number  ): Embed {    if (typeof color === 'number' && g === undefined && b === undefined) {      this.color = color    } else if (typeof color === 'string' && color.toLowerCase() === 'random') {      this.color = ColorUtil.resolveHex(ColorUtil.randomHex())    } else if (typeof color === 'string' && color.startsWith('#')) {      this.color = ColorUtil.resolveHex(color)    } else if (      typeof color === 'number' &&      g !== undefined &&      b !== undefined    ) {      this.color = ColorUtil.resolveRGB([color, g, b])    } else if (typeof color === 'string') {      this.color = ColorUtil.resolveColor(color as keyof Colors)    } else      throw new Error(        'Invalid Embed Color. Must be RGB, Hex (string or number), valid color name or a valid CSS color.'      )    return this  }
  /** Set Footer of the Embed */  setFooter(text: string, icon?: string): Embed  setFooter(footer: EmbedFooter): Embed  setFooter(footer: EmbedFooter | string, icon?: string): Embed {    this.footer =      typeof footer === 'string' ? { text: footer, icon_url: icon } : footer    return this  }
  /** Set Image of the Embed */  setImage(image: EmbedImage | string): Embed {    this.image = typeof image === 'string' ? { url: image } : image    return this  }
  /** Set Thumbnail Image of the Embed */  setThumbnail(thumbnail: EmbedThumbnail | string): Embed {    this.thumbnail =      typeof thumbnail === 'string' ? { url: thumbnail } : thumbnail    return this  }
  /** Set Embed Video */  setVideo(video: EmbedVideo | string): Embed {    this.video = typeof video === 'string' ? { url: video } : video    return this  }
  /** Set Provider of the Embed */  setProvider(name: string, url?: string): Embed  setProvider(provider: EmbedProvider): Embed  setProvider(provider: EmbedProvider | string, url?: string): Embed {    this.provider =      typeof provider === 'string' ? { name: provider, url } : provider    return this  }
  /** Set Author of the Embed */  setAuthor(author: EmbedAuthor): Embed  setAuthor(name: string, image?: string): Embed  setAuthor(author: EmbedAuthor | string, image?: string): Embed {    this.author =      typeof author === 'string' ? { name: author, icon_url: image } : author    return this  }
  setFields(fields: EmbedField[]): Embed {    this.fields = fields    return this  }
  /** Adds a Field to the Embed */  addField(field: EmbedField): Embed  addField(name: string, value: string, inline?: boolean): Embed  addField(name: string | EmbedField, value?: string, inline?: boolean): Embed {    if (typeof name !== 'object' && value === undefined)      throw new Error('field value is required')    const field: EmbedField =      typeof name === 'object' ? name : { name, value: value as string, inline }
    if (this.fields === undefined) {      this.fields = [field]    } else {      this.fields.push(field)    }
    return this  }
  /** Adds multiple fields to the Embed */  addFields(...fields: EmbedField[]): Embed {    for (const field of fields) {      this.addField(field)    }    return this  }}