import * as api from '../../client/src/api/api';
import { EndpointError, EndpointHandler, handleErrorsInEndpoint } from './types';
import Knex from 'knex';
import { createTag, deleteTag, getTag, mergeTag, modifyTag } from '../db/Tag';
import { getAllJSDocTagsOfKind } from 'typescript';

export const PostTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    if (!api.checkPostTagRequest(req.body)) {
        const e: EndpointError = {
            name: "EndpointError",
            message: 'Invalid PostTag request' + JSON.stringify(req.body),
            httpStatus: 400
        };
        throw e;
    }
    const reqObject: api.PostTagRequest = req.body;
    const { id: userId } = req.user;

    console.log("User ", userId, ": Post Tag ", reqObject);

    try {
        // Respond to the request.
        const responseObject: api.PostTagResponse = {
            id: await createTag(userId, reqObject, knex)
        };
        res.status(200).send(responseObject);

    } catch (e) {
        handleErrorsInEndpoint(e);
    }
}


export const DeleteTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    const { id: userId } = req.user;
    let id = parseInt(req.params.id);
    console.log("User ", userId, ": Delete Tag ", id);

    try {

        await deleteTag(userId, id, knex);
        res.status(200).send();

    } catch (e) {
        handleErrorsInEndpoint(e);
    }
}

export const GetTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    const { id: userId } = req.user;
    let id = parseInt(req.params.id);
    try {
        let tag = await getTag(id, userId, knex);
        await res.status(200).send(tag);
    } catch (e) {
        handleErrorsInEndpoint(e)
    }
}

export const PutTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    if (!api.checkPutTagRequest(req.body)) {
        const e: EndpointError = {
            name: "EndpointError",
            message: 'Invalid PutTag request',
            httpStatus: 400
        };
        throw e;
    }
    const reqObject: api.PutTagRequest = req.body;
    const { id: userId } = req.user;
    let id: number = parseInt(req.params.id);

    console.log("User ", userId, ": Put Tag ", reqObject);

    try {
        await modifyTag(userId, id, reqObject, knex);
        res.status(200).send();
    } catch (e) {
        handleErrorsInEndpoint(e);
    }
}

export const PatchTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    if (!api.checkPatchTagRequest(req.body)) {
        const e: EndpointError = {
            name: "EndpointError",
            message: 'Invalid PatchTag request',
            httpStatus: 400
        };
        throw e;
    }
    const reqObject: api.PatchTagRequest = req.body;
    const { id: userId } = req.user;
    let id = parseInt(req.params.id);

    console.log("User ", userId, ": Patch Tag ", reqObject);

    try {
        await modifyTag(userId, id, reqObject, knex);
        res.status(200).send();
    } catch (e) {
        handleErrorsInEndpoint(e);
    }
}

export const MergeTag: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    const { id: userId } = req.user;

    const fromId = parseInt(req.params.id);
    const toId = parseInt(req.params.toId);

    console.log("User ", userId, ": Merge Tag ", fromId, req.params.toId);

    try {
        await mergeTag(userId, fromId, toId, knex);
        res.status(200).send();

    } catch (e) {
        handleErrorsInEndpoint(e);
    }
}

export const tagEndpoints: [ string, string, boolean, EndpointHandler ][] = [
    [ api.PostTagEndpoint, 'post', true, PostTag ],
    [ api.GetTagEndpoint, 'get', true, GetTag ],
    [ api.PutTagEndpoint, 'put', true, PutTag ],
    [ api.PatchTagEndpoint, 'patch', true, PatchTag ],
    [ api.DeleteTagEndpoint, 'delete', true, DeleteTag ],
    [ api.MergeTagEndpoint, 'post', true, MergeTag ],
  ];