'use strict'

const Joi = require('joi')

const pluginConfig = {
    handlerType: 'email',
    docs: {
        get: {
            description: 'verifies confirmation email',
            notes: 'Verifies the email from the stored hash',
        },
    },
}

const validators = {
    params: Joi.object({
        hashedSessionToken: Joi.string(),
    }),
}

module.exports = {
    method: 'GET',
    path: '/verify/{hashedSessionToken}',
    options: {
        ...pluginConfig.docs.get,
        tags: ['api'],
        auth: false,
        cors: true,
        handler: async function (request, h) {
            const { userService } = request.server.services()
            const hash = request.params.hashedSessionToken
            try {
                const hashToMatch = Object.keys(
                    userService.activeSessions,
                ).find(hashedToken => {
                    return hashedToken === hash
                })
                if (!hashToMatch?.length) {
                    throw Error('[API] hashToMatch Not Found!')
                }
                const now = Date.now()
                const expiration = new Date(
                    userService.activeSessions[`${hash}`].expiration,
                )
                if (now > expiration) {
                    delete userService.activeSessions[hashToMatch]
                    throw new Error(
                        '[API] you took to long to respond to the email...',
                    )
                }
                if (!hashToMatch) {
                    throw new Error('[API] no record of email in cache')
                }
                // NOTE: When user responds to email,
                // boolean value is set to true, allowing user back into the survey
                userService.activeSessions[
                    hashToMatch
                ].emailWasRespondedTo = true
                return {
                    ok: true,
                    handler: pluginConfig.handlerType,
                    data: {
                        hashesMatch: hashToMatch === hash,
                    },
                }
            } catch (err) {
                return {
                    ok: false,
                    handler: pluginConfig.handlerType,
                    data: {
                        error: err.message,
                    },
                }
            }
        },
        validate: {
            ...validators,
            failAction: 'log',
        },
        response: {
            schema: Joi.object({
                ok: Joi.bool(),
                handler: Joi.string(),
                data: Joi.object(),
            }).label('verify_email_res'),
            failAction: 'log',
        },
    },
}