import request from "request-promise-native";
import { Response } from "request";
import { Dict } from "./util";

enum ReqMethod {
    GET = "get",
    POST = "post",
    DELETE = "delete"
}

export interface RequestError {
    code: string;
    message: string;
    params: { key: string; value: any; }[];
}

export type RequestErrorSet = { errors: RequestError[] };

export class XenforoClient {

    constructor(private endpoint: string, private userKey: string) {
    }

    private async makeRequest<T>(uri: string, method: ReqMethod, data?: any) {
        let result = await request(`${this.endpoint}/${uri}`, {
            method: method,
            headers: {
                "XF-Api-Key": this.userKey
            },
            form: data || undefined,
            resolveWithFullResponse: true
        }) as Response;

        if (result.statusCode != 200) {
            throw await JSON.parse(result.body) as RequestErrorSet;
        } else {
            return await JSON.parse(result.body) as T;
        }
    }

    async getThread(id: number, opts?: GetThreadOptions) {
        return await this.makeRequest<GetThreadResponse>(`threads/${id}`, ReqMethod.GET, opts);
    }

    async deleteThread(id: number, opts?: DeleteThreadOptions) {
        return await this.makeRequest<SuccessResponse>(`threads/${id}`, ReqMethod.DELETE, opts);
    }

    async createThread(forumId: number, title: string, message: string, opts?: CreateThreadOptions) {
        return await this.makeRequest<CreateThreadResponse>(`threads/`, ReqMethod.POST, {
            node_id: forumId,
            title: title,
            message: message,
            ...opts
        });
    }

    async getPost(id: number) {
        let post = await this.makeRequest<{post: Post}>(`posts/${id}`, ReqMethod.GET);
        return post.post;
    }

    async getForumThreads(id: number) {
        return await this.makeRequest<GetForumThreadsResponse>(`forums/${id}/threads`, ReqMethod.GET);
    }
}

//#region Request types
interface DeleteThreadOptions {
    hard_delete?: boolean;
    reason?: boolean;
    starter_alert?: boolean;
    starter_alert_reason?: boolean;
}

interface GetThreadOptions {
    with_posts?: boolean;
    page?: number;
}

interface CreateThreadOptions {
    prefix_id?: number;
    tags?: string[];
    custom_fields?: Dict<string>;
    discussion_open?: boolean;
    sticky?: boolean;
    attachment_key?: boolean;
}
//#endregion

//#region Response types 
type GetThreadResponse = {
    thread: Thread;
    messages: Post[];
    pagination: any;
};

type SuccessResponse = {
    success: boolean;
}

type CreateThreadResponse = SuccessResponse & { thread: Thread; };

type GetForumThreadsResponse = {
    threads: Thread[];
    pagination: object;
    sticky: Thread[];
};
//#endregion

//#region Data types
export interface Forum {
    allow_posting: boolean;
    allow_poll: boolean;
    require_prefix: boolean;
    min_tags: number;
}

export interface User {
    about?: string;
    activity_visible?: boolean;
    age?: number;
    alert_optout?: any[];
    allow_post_profile?: string;
    allow_receive_news_feed?: string;
    allow_send_personal_conversation?: string;
    allow_view_identities: string;
    allow_view_profile?: string;
    avatar_urls: object;
    can_ban: boolean;
    can_converse: boolean;
    can_edit: boolean;
    can_follow: boolean;
    can_ignore: boolean;
    can_post_profile: boolean;
    can_view_profile: boolean;
    can_view_profile_posts: boolean;
    can_warn: boolean;
    content_show_signature?: boolean;
    creation_watch_state?: string;
    custom_fields?: object;
    custom_title?: string;
    dob?: object;
    email?: string;
    email_on_conversation?: boolean;
    gravatar?: string;
    interaction_watch_state?: boolean;
    is_admin?: boolean;
    is_banned?: boolean;
    is_discouraged?: boolean;
    is_followed?: boolean;
    is_ignored?: boolean;
    is_moderator?: boolean;
    is_super_admin?: boolean;
    last_activity?: number;
    location: string;
    push_on_conversation?: boolean;
    push_optout?: any[];
    receive_admin_email?: boolean;
    secondary_group_ids?: any[];
    show_dob_date?: boolean;
    show_dob_year?: boolean;
    signature: string;
    timezone?: string;
    use_tfa?: any[];
    user_group_id?: number;
    user_state?: string;
    user_title: string;
    visible?: boolean;
    warning_points?: number;
    website?: string;
    user_id: number;
    username: string;
    message_count: number;
    register_date: number;
    trophy_points: number;
    is_staff: boolean;
    reaction_score: number;
}

export interface Node {
    breadcrumbs: any[];
    type_data: object;
    node_id: number;
    title: string;
    node_name: string;
    description: string;
    node_type_id: string;
    parent_node_id: number;
    display_order: number;
    display_in_list: boolean;
}

export interface Thread {
    username: string;
    is_watching?: boolean;
    visitor_post_count?: number;
    custom_fields: object;
    tags: any[];
    prefix?: string;
    can_edit: boolean;
    can_edit_tags: boolean;
    can_reply: boolean;
    can_soft_delete: boolean;
    can_hard_delete: boolean;
    can_view_attachments: boolean;
    Forum?: Node;
    thread_id: number;
    node_id: number;
    title: string;
    reply_count: number;
    view_count: number;
    user_id: number;
    post_date: number;
    sticky: boolean;
    discussion_state: string;
    discussion_open: boolean;
    discussion_type: string;
    first_post_id: number;
    last_post_date: number;
    last_post_id: number;
    last_post_user_id: number;
    last_post_username: string;
    first_post_reaction_score: number;
    prefix_id: number;
}

export interface Attachment {
    filename: string;
    file_size: number;
    height: number;
    width: number;
    thumbnail_url: string;
    video_url: string;
    attachment_id: number;
    content_type: string;
    content_id: number;
    attach_date: number;
    view_count: number;
}

export interface Post {
    username: string;
    is_first_post: boolean;
    is_last_post: boolean;
    can_edit: boolean;
    can_soft_delete: boolean;
    can_hard_delete: boolean;
    can_react: boolean;
    can_view_attachments: boolean;
    Thread?: Thread;
    Attachments?: Attachment[];
    is_reacted_to: boolean;
    visitor_reaction_id: number;
    post_id: number;
    thread_id: number;
    user_id: number;
    post_date: number;
    message: string;
    message_state: string;
    attach_count: number;
    warning_message: string;
    position: number;
    last_edit_date: number;
    reaction_score: number;
    User: User;
}
//#endregion