'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: userSchema.single,
            error: errorSchema.single,
        })
            .append()
            .label('login_payload'),
    },
    user: userSchema.single,
}

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

                const res = request.payload

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

                // Bound context from your plugin server declaration
                const user = await h.context.transaction(login)
                const token = userService.createToken(user)

                return {
                    ok: true,
                    handler: pluginConfig.handlerType,
                    data: displayService.user(user, token),
                }
            } catch (err) {
                console.error(err)
                return {
                    ok: false,
                    handler: pluginConfig.handlerType,
                    data: { error: `${err}` },
                }
            }
        },
        validate: validators.post,
        response: {
            schema: Joi.object({
                ok: Joi.bool(),
                handler: Joi.string(),
                data: validators.user,
            }).label('login_res'),
            failAction: 'log',
        },
    },
}