'use strict'

const Joi = require('joi')
const errorSchema = require('../../schemas/errors')
const userSchema = require('../../schemas/user')

const pluginConfig = {
    handlerType: 'user',
    docs: {
        description: 'login',
        notes: 'Attempt login',
    },
}

/** Validator functions by request method */
const validators = {
    post: {
        payload: Joi.object({
            user_email: Joi.string(),
            password: Joi.string(),
        }),
    },
    user: userSchema.single,
    error: errorSchema.single,
}

module.exports = {
    method: 'POST',
    path: '/login',
    options: {
        ...pluginConfig.docs,
        tags: ['api'],
        auth: false,
        handler: async function (request, h) {
            try {
                const { userService } = request.server.services()
                const res = request.payload

                // Callback to use as transaction
                const login = async txn => {
                    return await userService.login(
                        {
                            email: res.user_email,
                            password: res.password,
                        },
                        txn,
                    )
                }

                // Bound context from your plugin server declaration
                await h.context.transaction(login)

                // Uses Same Logic Behind Initial Sign Up,
                // passing expected credentials to be used for logging in
                const { userCredentials, token } =
                    await userService.makeUserCredentials(res.user_email)

                return {
                    ok: true,
                    handler: pluginConfig.handlerType,
                    data: {
                        user_email: userCredentials.email,
                        jwt: token,
                        answered: userCredentials,
                    },
                }
            } catch (err) {
                console.error(err)
                return {
                    ok: false,
                    handler: pluginConfig.handlerType,
                    data: { error: `${err}` },
                }
            }
        },
        validate: validators.post,
        response: {
            status: {
                201: Joi.object({
                    ok: Joi.bool(),
                    handler: Joi.string(),
                    data: Joi.object({
                        user_email: Joi.string(),
                        jwt: Joi.string(),
                        answered: Joi.object({
                            email: Joi.string(),
                            name: Joi.string(),
                            seeking: Joi.string(),
                        }),
                    }),
                }).label('login_res'),
                409: Joi.object({
                    ok: Joi.bool(),
                    handler: Joi.string(),
                    data: validators.error,
                }).label('login_error'),
            },
        },
    },
}