const Joi = require('joi')

const apiSchema = require('../../schemas/api')
const errorSchema = require('../../schemas/errors')
const groupingSchema = require('../../schemas/groupings')
const params = require('../../schemas/params')

const pluginConfig = {
    handlerType: 'grouping',
    docs: {
        description: 'join',
        notes: 'Join a grouping by creating a membership record',
    },
}

const validators = {
    params: params.profileId,
    payload: groupingSchema.single
        .append({
            target_id: Joi.number().required(),
            role: Joi.string(),
        })
        .label('grouping_membership_single'),
}

const responseSchemas = {
    response: Joi.object({
        memberships: Joi.array().items(),
        hasMatch: Joi.boolean(),
    }).label('grouping_membership_list'),
    error: errorSchema.single,
}

module.exports = {
    method: 'POST',
    path: '/{profile_id}/join',
    options: {
        ...pluginConfig.docs,
        tags: ['api'],
        auth: false,
        cors: true,

        /**
         * Join a grouping by creating a membership record
         * @param {*} request
         * @param {*} h
         * @returns {object}
         */
        handler: async function (request, h) {
            try {
                const { membershipService } = request.server.services()

                /** Grab payload info */
                const profileId = request.params.profile_id
                const res = request.payload
                const groupingToWrite = {
                    grouping_id: res.grouping_id,
                    grouping_name: res.grouping_name,
                    grouping_type: res.grouping_type,
                }

                /** Default to participant role */
                const role = res.role ? res.role : 'participant'

                // TODO: LIMIT the amount of groupings by checking type
                // !: You should only be able to match with the target_id ONCE
                // !: You should only be associated with a single company too

                /** User membership service method to create membership */
                const memberships = await membershipService.joinGrouping(
                    profileId,
                    res.target_id,
                    groupingToWrite,
                    role,
                )
                // console.log(memberships)

                return h
                    .response({
                        ok: true,
                        handler: pluginConfig.handlerType,
                        data: {
                            memberships,
                            hasMatch: memberships.every(
                                membership => membership.is_active == true,
                            ),
                        },
                    })
                    .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,
                    })
                    .label('join_grouping_res'),
                409: apiSchema.single
                    .append({
                        data: responseSchemas.error,
                    })
                    .label('error_single_res'),
            },
        },
    },
}