import {Controller, Get, Req, Post, Options, Header, Delete, HttpCode, Put, UseInterceptors} from '@nestjs/common';
import {StoreService} from './store.service';
import {Store, StoreRequest} from './store.schema';
import {ApiResponse, ApiTags, ApiParam, ApiBody} from '@nestjs/swagger';
import {ALLOW_ORIGIN_ALL, ALLOW_METHOD, ALLOW_CREDENTIALS, CONTENT_LENGTH, ALLOW_HEADERS, COLLECTION_STORE} from 'src/consts';
import {Request} from 'express';
import {LoggingInterceptor} from 'src/logs/logging.interceptor';

const prepareStoreToStoreRequest = ({
    key, value, description, service_name, author
}: Store): StoreRequest => ({
    key, value, description, service_name, author,
});

const makeApiHeader = (request: Request): string => {
    const apiHeader = request.headers?.['api-name'];
    return typeof apiHeader === 'string' ? apiHeader : '';
};

@UseInterceptors(LoggingInterceptor)
@Controller(COLLECTION_STORE)
@ApiTags(COLLECTION_STORE)
export class StoreController {
    constructor(
        private readonly storeService: StoreService
    ) {}

    @Get()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse({
        status: 200,
        description: 'Список всех пар ключ-значение',
        type: [StoreRequest],
    })
    async findAll(@Req() request: Request): Promise<StoreRequest[]> {
        const api = makeApiHeader(request);
        const storeList = await this.storeService.findAll(api);
        return storeList.map(prepareStoreToStoreRequest);
    }

    @Get(':key')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse({
        status: 200,
        description: 'Возвращает пару ключ-значение по ключу',
        type: StoreRequest,
    })
    @ApiParam({
        name: 'key',
        description: 'Уникальный ключ для получения api',
    })
    async findOne(@Req() request: Request<{key: string}>): Promise<StoreRequest> {
        const {key} = request.params;
        const api = makeApiHeader(request);
        const store = await this.storeService.findOne(api, key);
        return prepareStoreToStoreRequest(store);
    }

    @Post()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse({
        status: 201,
        description: 'Создает новую пару ключ-значение',
        type: StoreRequest,
    })
    @ApiBody({
        type: StoreRequest,
        description: 'Принимает объект для создания api'
    })
    async create(@Req() request: Request<null, StoreRequest>): Promise<StoreRequest> {
        const api = makeApiHeader(request);
        const store = await this.storeService.create(api, request.body);
        return prepareStoreToStoreRequest(store);
    }

    @Put()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse({
        status: 200,
        description: 'Обновляет по ключу объект и мета-поля, кроме author',
        type: StoreRequest,
    })
    @ApiBody({
        type: StoreRequest,
        description: 'Принимает объект для обновления api'
    })
    async update(@Req() request: Request<null, StoreRequest>): Promise<StoreRequest> {
        const api = makeApiHeader(request);
        const store = await this.storeService.update(api, request.body);
        return prepareStoreToStoreRequest(store);
    }

    @Delete(':key')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse({
        status: 200,
        description: 'Удаляет пару ключ-значение по ключу',
        type: StoreRequest,
    })
    @ApiParam({
        name: 'key',
        description: 'Уникальный ключ для удаления api',
    })
    async removeOne(@Req() request: Request<{key: string}>): Promise<StoreRequest> {
        const {key} = request.params;
        const api = makeApiHeader(request);
        const store = await this.storeService.removeOne(api, key);
        return prepareStoreToStoreRequest(store);
    }

    @Options('')
    @Header(...ALLOW_ORIGIN_ALL)
    @Header(...ALLOW_METHOD)
    @Header(...ALLOW_CREDENTIALS)
    @Header(...CONTENT_LENGTH)
    @Header(...ALLOW_HEADERS)
    @HttpCode(204)
    async options(): Promise<string> {
        return '';
    }

    @Options(':key')
    @Header(...ALLOW_ORIGIN_ALL)
    @Header(...ALLOW_METHOD)
    @Header(...ALLOW_CREDENTIALS)
    @Header(...CONTENT_LENGTH)
    @Header(...ALLOW_HEADERS)
    @HttpCode(204)
    async optionsByParam(): Promise<string> {
        return '';
    }
}