//
// NamiEntitlementManagerBridge.swift
// RNNami
//
// Copyright © 2023 Nami ML Inc.. All rights reserved.
//

import Foundation
import NamiApple
import React

@objc(RNNamiEntitlementManager)
class RNNamiEntitlementManager: RCTEventEmitter {
    public static var shared: RNNamiEntitlementManager?

    override init() {
        super.init()
        RNNamiEntitlementManager.shared = self
    }

    override func supportedEvents() -> [String]! {
        return ["EntitlementsChanged"]
    }

    private func entitlementInToDictionary(_ entitlement: NamiEntitlement) -> NSDictionary {
        let activePurchasesDict: [NSDictionary] = entitlement.activePurchases.map { purchase in
            let dictionary = RNNamiPurchaseManager.purchaseToPurchaseDict(purchase)
            return dictionary
        }

        let purchasedSkusDict: [NSDictionary] = entitlement.purchasedSkus.map { sku in
            let dictionary = RNNamiPurchaseManager.skuToSKUDict(sku)
            return dictionary
        }
        let relatedSkusDict: [NSDictionary] = entitlement.relatedSkus.map { sku in
            let dictionary = RNNamiPurchaseManager.skuToSKUDict(sku)
            return dictionary
        }

        let dictionary: [String: Any?] = [
            "name": entitlement.name,
            "desc": entitlement.desc,
            "referenceId": entitlement.referenceId,
            "activePurchases": activePurchasesDict,
            "relatedSkus": relatedSkusDict,
            "purchasedSkus": purchasedSkusDict,
        ]
        return NSDictionary(dictionary: dictionary.compactMapValues { $0 })
    }

    @objc(isEntitlementActive:resolver:rejecter:)
    func isEntitlementActive(referenceId: String, resolve: @escaping RCTPromiseResolveBlock, reject _: @escaping RCTPromiseRejectBlock) {
        let isEntitlementActive = NamiEntitlementManager.isEntitlementActive(referenceId)
        resolve(isEntitlementActive)
    }

    @objc(active:rejecter:)
    func active(resolve: @escaping RCTPromiseResolveBlock, reject _: @escaping RCTPromiseRejectBlock) {
        let entitlements = NamiEntitlementManager.active()
        let dictionaries: [NSDictionary] = entitlements.map { entitlement in
            let dictionary = self.entitlementInToDictionary(entitlement)
            return dictionary
        }
        resolve(dictionaries)
    }

    @objc(refresh)
    func refresh() {
        NamiEntitlementManager.refresh()
    }

    @objc(registerActiveEntitlementsHandler)
    func registerActiveEntitlementsHandler() {
        NamiEntitlementManager.registerActiveEntitlementsHandler { activeEntitlements in
            let dictionaries: [NSDictionary] = activeEntitlements.map { entitlement in
                let dictionary = self.entitlementInToDictionary(entitlement)
                return dictionary
            }
            RNNamiEntitlementManager.shared?.sendEvent(withName: "EntitlementsChanged", body: dictionaries)
        }
    }

    @objc(clearProvisionalEntitlementGrants)
    func clearProvisionalEntitlementGrants() {
        NamiEntitlementManager.clearProvisionalEntitlementGrants()
    }
}