import {Controller, Get, Req, Post, Options, Header, Delete, HttpCode, Put} from '@nestjs/common';

import {ApiResponse, ApiTags, ApiParam, ApiBody} from '@nestjs/swagger';
import {
    ALLOW_ORIGIN_ALL,
    ALLOW_METHOD,
    ALLOW_CREDENTIALS,
    CONTENT_LENGTH,
    ALLOW_HEADERS,
    USERS_CONTROLLER,
} from '../consts';
import {UserService} from './users.service';
import {
    UserResponse,
    CreateUserRequest,
    UpdateUserRequest,
    UpdateUserSelf,
    ChangePasswordRequest,
} from './users.schema';
import {Request} from 'express';
import {
    FIND_ALL_SUCCESS,
    FIND_ONE_SUCCESS,
    FIND_ONE_NOT_FOUND,
    CREATE_SUCCESS,
    CREATE_CONFLICT,
    CREATE_NOT_VALID,
    UPDATE_SUCCESS,
    UPDATE_NOT_FOUND,
    UPDATE_NOT_VALID,
    REMOVE_SUCCESS,
    REMOVE_NOT_FOUND,
    EDIT_ME_SUCCESS,
    EDIT_ME_NOT_VALID,
    CHANGE_PASSWORD_SUCCESS,
    CHANGE_PASSWORD_NOT_VALID,
} from './users.responses';
import {AuthService} from 'src/auth/auth.service';

@Controller(USERS_CONTROLLER)
@ApiTags(USERS_CONTROLLER)
export class UsersController {
    constructor(
        private readonly userService: UserService,
        private readonly authService: AuthService,
    ) {}

    @Get()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(FIND_ALL_SUCCESS)
    async findAll(@Req() request: Request): Promise<UserResponse[]> {
        await this.authService.checkRequest(request);

        return this.userService.findAll();
    }

    @Get('search/:login')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(FIND_ONE_SUCCESS)
    @ApiResponse(FIND_ONE_NOT_FOUND)
    @ApiParam({
        name: 'login',
        description: 'Логин пользователя',
    })
    async findOne(@Req() request: Request<{login: string}>): Promise<UserResponse> {
        await this.authService.checkRequest(request);

        return await this.userService.findOne(request.params.login);
    }

    @Get('me')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(FIND_ONE_SUCCESS)
    async findMe(@Req() request: Request): Promise<UserResponse> {
        await this.authService.checkRequest(request);

        return this.userService.findMe(request.headers.authorization);
    }

    @Post('edit-me')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(EDIT_ME_SUCCESS)
    @ApiResponse(EDIT_ME_NOT_VALID)
    @ApiBody({
        type: UpdateUserSelf,
        description: 'Объект обновления пользователя',
    })
    async findEdit(@Req() request: Request<null, UpdateUserSelf>): Promise<UserResponse> {
        await this.authService.checkRequest(request);

        return this.userService.updateSelf(request.headers.authorization, request.body);
    }

    @Post()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(CREATE_SUCCESS)
    @ApiResponse(CREATE_CONFLICT)
    @ApiResponse(CREATE_NOT_VALID)
    @ApiBody({
        type: CreateUserRequest,
        description: 'Объект для создания пользователя'
    })
    async createUser(@Req() request: Request<null, CreateUserRequest>): Promise<UserResponse> {
        await this.authService.checkRequest(request);

        return await this.userService.create(request.body);
    }

    @Put()
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(UPDATE_SUCCESS)
    @ApiResponse(UPDATE_NOT_FOUND)
    @ApiResponse(UPDATE_NOT_VALID)
    @ApiBody({
        type: UpdateUserRequest,
        description: 'Объект обновления данных пользователя'
    })
    async updateUser(@Req() request: Request<null, UpdateUserRequest>): Promise<UserResponse> {
        await this.authService.checkRequest(request);

        return await this.userService.update(request.body);
    }

    @Delete(':login')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(REMOVE_SUCCESS)
    @ApiResponse(REMOVE_NOT_FOUND)
    @ApiParam({
        name: 'login',
        description: 'Логин пользователя',
    })
    async removeUser(@Req() request: Request<{login: string}>): Promise<UpdateUserRequest> {
        await this.authService.checkRequest(request);

        return await this.userService.removeOne(request.params.login);
    }

    @Post('change-password')
    @Header(...ALLOW_ORIGIN_ALL)
    @ApiResponse(CHANGE_PASSWORD_SUCCESS)
    @ApiResponse(CHANGE_PASSWORD_NOT_VALID)
    @ApiBody({
        type: ChangePasswordRequest,
        description: 'Объект изменения пароля',
    })
    async changePassword(@Req() request: Request<null, {old_password: string, new_password: string}>): Promise<string> {
        await this.authService.checkRequest(request);

        const {headers, body} = request;
        return await this.userService.changePassword(headers.authorization, body.old_password, body.new_password);
    }

    @Options([
        '', 'search/:login', ':login', 'me', 'edit-me'
    ])
    @Header(...ALLOW_ORIGIN_ALL)
    @Header(...ALLOW_METHOD)
    @Header(...ALLOW_CREDENTIALS)
    @Header(...CONTENT_LENGTH)
    @Header(...ALLOW_HEADERS)
    @HttpCode(204)
    async options(): Promise<string> {
        return '';
    }
}