'use strict';

const Joi = require('joi');

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


/** Validator functions by request method */
const validators = {
    post: {
        payload: Joi.object({
            user: Joi.object(),
            error: Joi.string()
        })
    },
    user: Joi.object({
        user_id: Joi.number(),
        user_name: Joi.string(),
        user_email: Joi.string(),
        created_at: Joi.date(),
        updated_at: Joi.date(),
        token: Joi.string(),
    })
}

module.exports = {
    method: 'post',
    path: '/login',
    options: {
        ...pluginConfig.docs.post,
        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
            }),
            failAction: 'log'
        }
    }
}