import { Post } from './posts.ts'
import client from '../../api/client.ts'

export class PostsService {
  constructor() {}

  async createNew(
    authorId: string,
    content: string,
    media: CreatePostMedia[],
    isPublic: boolean,
  ): Promise<string> {
    const response = await client.POST('/posts', {
      body: {
        authorId,
        content,
        media: media.map((m) => {
          return { ...m, type: null, url: m.url.toString() }
        }),
        isPublic,
      },
      credentials: 'include',
    })

    if (!response.data) {
      throw new Error('Failed to create post')
    }

    return response.data.postId
  }

  async loadPublicFeed(cursor: string | null, amount: number | null): Promise<Post[]> {
    const response = await client.GET('/posts', {
      query: { cursor, amount },
      credentials: 'include',
    })

    if (!response.data) {
      return []
    }

    return response.data?.posts.map((post) => Post.fromDto(post))
  }

  async loadByAuthor(
    username: string,
    cursor: string | null,
    amount: number | null,
  ): Promise<Post[]> {
    const response = await client.GET('/posts', {
      params: {
        query: { From: cursor ?? undefined, Amount: amount ?? undefined, Author: username },
      },
      credentials: 'include',
    })

    if (!response.data) {
      return []
    }

    return response.data?.posts.map((post) => Post.fromDto(post))
  }
}

interface CreatePostMedia {
  mediaId: string
  url: string | URL
  width: number | null
  height: number | null
}