InjectTraits.swift

//
//  InjectTraits.swift

//  Created by Alan Charles on 12/7/22.
//

// This plugin is NOT SUPPORTED by Segment.  It is here merely as an example,
// and for your convenience should you find it useful.

// MIT License
//
// Copyright (c) 2021 Segment
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import Foundation
import Segment

class InjectTraits: Plugin {
    let type = PluginType.enrichment
    weak var analytics: Analytics? = nil
    
    func execute<T: RawEvent>(event: T?) -> T? {
        if event?.type == "identify" {
            return event
        }
        
        var workingEvent = event
        
        if var context = event?.context?.dictionaryValue {
            context[keyPath: "traits"] = analytics?.traits()
            
            workingEvent?.context = try? JSON(context)
        }
        
        return workingEvent
    }
}