import { db } from '../utils/db'
import { Grouping, Profile } from '../entities'

/**
 * Get Memberships associated with a single Profile from the database and
 * create a class from the data and
 * validate the incoming against the schema
 * @param {number} profileId
 * @returns {array} instantiated Profile objects (see: /entites/profile)
 */
const fetchMembershipsByProfileId = async profileId => {
    const membershipsForProfileId = await db.get(`/membership/${profileId}`)
    const validGroupingInstances = []
    for (let membership of membershipsForProfileId) {
        const grouping = new Grouping(membership)
        if (grouping.isValid()) {
            // Reformat incoming profile data into Profile entity
            grouping.profile = new Profile(grouping.profile)
            validGroupingInstances.push(grouping)
        }
    }
    return validGroupingInstances
}

/**
 * Create memberships to a grouping between profileId and targetId
 * @param {number} profileId
 * @param {number} targetId
 * @param {string} groupingType
 * @returns {object} the created membership
 */
const postMembershipByProfileId = async ({
    profileId,
    targetId,
    groupingType = 'match',
}) => {
    const utcDateInSeconds = Date.now() / 1000
    const membership = {
        target_id: targetId,
        grouping_type: groupingType,
        grouping_name: `${utcDateInSeconds}_${profileId}_${targetId}`,
    }
    const membershipMatch = await db.post(
        `/membership/${profileId}/join`,
        membership,
    )
    return { membershipMatch, groupingName: membership.grouping_name }
}
export { fetchMembershipsByProfileId, postMembershipByProfileId }