'use strict'

const Joi = require('joi')
const apiSchema = require('../../schemas/api')
const errorSchema = require('../../schemas/errors')

const pluginConfig = {
    handlerType: 'score',
    docs: {
        description: 'scores',
        notes: 'A list of profile scores',
    },
}

const validators = {
    /** Validate the header (cookie check) */
    // headers: true,

    /** Validate the route params (/active/{thing}) */
    params: Joi.object({
        profile_id: Joi.number(),
    }),

    /** Validate the route query (/active/{thing}?limit=10&offset=10) */
    query: Joi.object({
        max_distance: Joi.number(),
        unit: Joi.string(),
    }),
    /** Validate the incoming payload (POST method) */
    // payload: true,
}

const responseSchemas = {
    response: Joi.array().items(),
    error: errorSchema.single
}

module.exports = {
    method: 'GET',
    path: '/{profile_id}/score',
    options: {
        ...pluginConfig.docs,
        tags: ['api'],
        /** Protect this route with authentication? */
        auth: false,
        cors: true,
        handler: async function (request, h) {
            const { profileService, matchQueueService } =
                request.server.services()

            const profileId = request.params.profile_id
            const maxDistanceMiles = request.query.max_distance
            const distanceUnit = request.query.unit
                ? request.query.unit
                : 'mile'

            const scoredProfiles = await profileService.scoreProfilesFor(
                profileId,
                maxDistanceMiles,
                distanceUnit,
            )

            try {
                if (!scoredProfiles) {
                    throw new RangeError('Unable to score profiles')
                }
                await matchQueueService.saveMatchQueue(
                    profileId,
                    scoredProfiles.map(profile => profile.profile_id),
                )
                return h
                    .response({
                        ok: true,
                        handler: pluginConfig.handlerType,
                        data: scoredProfiles,
                    })
                    .code(200)
            } catch (err) {
                return h
                    .response({
                        ok: false,
                        handler: pluginConfig.handlerType,
                        data: { error: `${err}` },
                    })
                    .code(409)
            }
        },

        /** Validate based on validators object */
        validate: {
            ...validators,
            failAction: 'log',
        },

        /** Validate the server response */
        response: {
            status: {
                200: apiSchema.single.append({
                    data: responseSchemas.response,
                }),
                409: apiSchema.single.append({
                    data: responseSchemas.error,
                })
            },
        },
    },
}