//
//  Coupon.swift
//  SwiftWarplyFramework
//
//  Created by Warply on 06/06/2025.
//  Copyright © 2025 Warply. All rights reserved.
//

import Foundation

// MARK: - Coupon Models

public class ShopAvailabilityItemModel: Codable {
    private var merchant_uuid: String?
    private var product_url: String?
    
    init() {
        self.merchant_uuid = ""
        self.product_url = ""
    }

    public init(dictionary: [String: Any]) {
        self.merchant_uuid = dictionary["merchant_uuid"] as? String? ?? ""
        self.product_url = dictionary["product_url"] as? String? ?? ""
    }
    
    public var _merchant_uuid: String {
        get { return self.merchant_uuid ?? "" }
        set(newValue) { self.merchant_uuid = newValue }
    }
    
    public var _product_url: String {
        get { return self.product_url ?? "" }
        set(newValue) { self.product_url = newValue }
    }
}

public class CouponSetItemModel {
    // Existing fields
    private var uuid: String?
    private var admin_name: String?
    private var name: String?
    private var img: [String]?
    private var img_preview: String?
    private var expiration: String? // Now stores raw date string like "2026-06-30 11:59"
    private var description: String?
    private var short_description: String?
    private var discount: String?
    private var sorting: Int?
    private var inner_text: String?
    private var buyable: Bool?
    private var visible: Bool?
    private var terms: String?
    private var merchant_uuid: String?
    private var discount_type: String? // "value" / "percentage" / "plus_one"
    private var final_price: Float?

    // Universal Coupons
    private var couponset_type: String?

    // PopupMerchantsViewController List
    private var shop_availability: Array<ShopAvailabilityItemModel>?
    
    // New fields from API response
    private var eligibilities: [String: Any]?
    private var created: String?
    private var updated: String?
    private var app_uuid: String?
    private var active: Bool?
    private var is_new: Bool?
    private var start_date: String?
    private var end_date: String?
    private var user_generated: Bool?
    private var limits: [String: Any]?
    private var points: Int?
    private var promoted: Bool?
    private var points_cause: String?
    private var third_party_service: String?
    private var category: String?
    
    public init(dictionary: [String: Any]) {
        // Existing fields
        self.uuid = dictionary["uuid"] as? String? ?? ""
        self.admin_name = dictionary["admin_name"] as? String? ?? ""
        self.name = dictionary["name"] as? String? ?? ""
        self.img_preview = dictionary["img_preview"] as? String? ?? ""
        self.description = dictionary["description"] as? String? ?? ""
        self.short_description = dictionary["short_description"] as? String? ?? ""
        self.discount = dictionary["discount"] as? String? ?? ""
        self.sorting = dictionary["sorting"] as? Int? ?? 0
        let htmlText = dictionary["inner_text"] as? String? ?? ""
        self.inner_text = htmlText?.htmlToString ?? ""
        self.buyable = dictionary["buyable"] as? Bool? ?? false
        self.visible = dictionary["visible"] as? Bool? ?? false
        self.terms = dictionary["terms"] as? String? ?? ""
        self.merchant_uuid = dictionary["merchant_uuid"] as? String? ?? ""
        self.discount_type = dictionary["discount_type"] as? String? ?? ""

        // Universal Coupons
        self.couponset_type = dictionary["couponset_type"] as? String? ?? ""

        if let double_final_price = dictionary["final_price"] as? Double {
            self.final_price = Float(double_final_price)
        }
        else if let float_final_price = dictionary["final_price"] as? Float {
            self.final_price = float_final_price
        }
        else if let string_final_price = dictionary["final_price"] as? String {
            self.final_price = Float(string_final_price) ?? 0.0
        }
        else {
            self.final_price = 0.0
        }
        
        // NEW FIELDS from API response
        self.eligibilities = dictionary["eligibilities"] as? [String: Any]
        self.created = dictionary["created"] as? String? ?? ""
        self.updated = dictionary["updated"] as? String? ?? ""
        self.app_uuid = dictionary["app_uuid"] as? String? ?? ""
        self.active = dictionary["active"] as? Bool? ?? false
        self.is_new = dictionary["is_new"] as? Bool? ?? false
        self.start_date = dictionary["start_date"] as? String? ?? ""
        self.end_date = dictionary["end_date"] as? String? ?? ""
        self.user_generated = dictionary["user_generated"] as? Bool? ?? false
        self.limits = dictionary["limits"] as? [String: Any]
        self.points = dictionary["points"] as? Int? ?? 0
        self.promoted = dictionary["promoted"] as? Bool? ?? false
        self.points_cause = dictionary["points_cause"] as? String? ?? ""
        self.third_party_service = dictionary["third_party_service"] as? String? ?? ""
        self.category = dictionary["category"] as? String? ?? ""
        
        // UPDATED EXPIRATION HANDLING - store raw date string
        if let expirationObject = dictionary["expiration"] as? [String: Any],
           let expirationValue = expirationObject["value"] as? String {
            self.expiration = expirationValue // Store "2026-06-30 11:59"
        } else {
            self.expiration = ""
        }
        
        // img Example
        // img = "[\"https://warply.s3.amazonaws.com/applications/f83dfde1145e4c2da69793abb2f579af/couponset/00833266674d4a95b21dc4bf06995548/logo.png\"]";
        
        if let imgString = dictionary["img"] as? String {
            // Convert the cleaned string to JSON data
            if let imgData = imgString.data(using: .utf8) {
                do {
                    // Parse JSON data as an array of dictionaries
                    if let imgArray = try JSONSerialization.jsonObject(with: imgData, options: []) as? [String] {
                        self.img = imgArray
                    } else {
                        self.img = []
                    }
                } catch {
                    self.img = []
                    print("Error parsing img: \(error)")
                }
            } else {
                self.img = []
            }
        } else {
            self.img = []
        }
        
        // shop_availability Example
        // {"shop_availability":"[{\"merchant_uuid\": \"9742752bcf904a269707c40b286e66de\", \"product_url\": \"https://www.ab.gr/el/eshop/Galaktokomika-Fytika-Rofimata-and-Eidi-Psygeioy/Gala-and-Fytika-Rofimata/Fytika-Rofimata/Fytiko-Rofima-Amygdalo-Choris-Prosthiki-Zacharis-1lt/p/7438640\"}]"}

        if let extra_fields = dictionary["extra_fields"] as? [String: Any] {
            if let shopAvailabilityString = extra_fields["shop_availability"] as? String {
                // Convert the cleaned string to JSON data
                if let shopData = shopAvailabilityString.data(using: .utf8) {
                    do {
                        // Parse JSON data as an array of dictionaries
                        if let shopArray = try JSONSerialization.jsonObject(with: shopData, options: []) as? [[String: Any]] {
                            var shopItems: Array<ShopAvailabilityItemModel> = []
                            // Iterate through the shopArray and populate ShopAvailabilityItemModel objects
                            for shopDict in shopArray {
                                let tempShop = ShopAvailabilityItemModel(dictionary: shopDict)
                                shopItems.append(tempShop)
                            }
                            self.shop_availability = shopItems
                        } else {
                            self.shop_availability = []
                        }
                    } catch {
                        self.shop_availability = []
                        print("Error parsing shop availability: \(error)")
                    }
                } else {
                    self.shop_availability = []
                }
            } else {
                self.shop_availability = []
            }
        } else {
            self.shop_availability = []
        }
    }
    
    // MARK: - Public Accessors (Following ProfileModel Pattern)
    
    // Existing field accessors
    public var _uuid: String { get { return self.uuid ?? "" } }
    public var _admin_name: String { get { return self.admin_name ?? "" } }
    public var _name: String { get { return self.name ?? "" } }
    public var _img: [String]? { get { return self.img } }
    public var _img_preview: String { get { return self.img_preview ?? "" } }
    public var _expiration: String { get { return self.expiration ?? "" } }
    public var _description: String { get { return self.description ?? "" } }
    public var _short_description: String { get { return self.short_description ?? "" } }
    public var _discount: String { get { return self.discount ?? "" } }
    public var _sorting: Int { get { return self.sorting ?? 0 } }
    public var _inner_text: String { get { return self.inner_text ?? "" } }
    public var _buyable: Bool { get { return self.buyable ?? false } }
    public var _visible: Bool { get { return self.visible ?? false } }
    public var _terms: String { get { return self.terms ?? "" } }
    public var _merchant_uuid: String { get { return self.merchant_uuid ?? "" } }
    public var _discount_type: String { get { return self.discount_type ?? "" } }
    public var _final_price: Float { get { return self.final_price ?? 0.0 } }
    public var _couponset_type: String { get { return self.couponset_type ?? "" } }
    public var _shop_availability: Array<ShopAvailabilityItemModel>? { get { return self.shop_availability } }
    
    // New field accessors
    public var _eligibilities: [String: Any]? { get { return self.eligibilities } }
    public var _created: String { get { return self.created ?? "" } }
    public var _updated: String { get { return self.updated ?? "" } }
    public var _app_uuid: String { get { return self.app_uuid ?? "" } }
    public var _active: Bool { get { return self.active ?? false } }
    public var _is_new: Bool { get { return self.is_new ?? false } }
    public var _start_date: String { get { return self.start_date ?? "" } }
    public var _end_date: String { get { return self.end_date ?? "" } }
    public var _user_generated: Bool { get { return self.user_generated ?? false } }
    public var _limits: [String: Any]? { get { return self.limits } }
    public var _points: Int { get { return self.points ?? 0 } }
    public var _promoted: Bool { get { return self.promoted ?? false } }
    public var _points_cause: String { get { return self.points_cause ?? "" } }
    public var _third_party_service: String { get { return self.third_party_service ?? "" } }
    public var _category: String { get { return self.category ?? "" } }
    
    // Formatted expiration date for display
    public var _expiration_formatted: String {
        guard let expiration = self.expiration, !expiration.isEmpty else {
            return ""
        }
        
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm"
        
        if let date = dateFormatter.date(from: expiration) {
            dateFormatter.dateFormat = "dd/MM/yyyy"
            return dateFormatter.string(from: date)
        }
        
        return ""
    }
    
    /// Format expiration date with custom format
    /// - Parameter format: DateFormatter format string (e.g., "dd-MM", "dd/MM/yyyy")
    /// - Returns: Formatted date string or empty string if invalid
    public func formattedExpiration(format: String) -> String {
        guard let expiration = self.expiration, !expiration.isEmpty else {
            return ""
        }
        
        let inputFormatter = DateFormatter()
        inputFormatter.dateFormat = "yyyy-MM-dd HH:mm"
        
        if let date = inputFormatter.date(from: expiration) {
            let outputFormatter = DateFormatter()
            outputFormatter.dateFormat = format
            return outputFormatter.string(from: date)
        }
        
        return ""
    }
}

public class RedeemedMerchantDetailsModel: Codable {
    private var img_preview: String?
    private var name: String?
    private var uuid: String?
    private var redeemed_date: Date?
    private var redeemed_date_string: String?
    
    public init() {
        self.img_preview = ""
        self.name = ""
        self.uuid = ""
        self.redeemed_date = Date()
        self.redeemed_date_string = ""
    }
    
    public init(dictionary: [String: Any]) {
        self.img_preview = dictionary["img_preview"] as? String? ?? ""
        self.name = dictionary["name"] as? String? ?? ""
        self.uuid = dictionary["uuid"] as? String? ?? ""
        if let redeemedString = dictionary["redeemed_date"] as? String {
            // Example "redeemed_date" = "2024-07-02T10:50:03.04416";
            let dateFormatter4 = DateFormatter()
            dateFormatter4.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSSS"
            if let date = dateFormatter4.date(from: redeemedString ?? "") {
                self.redeemed_date = date
                dateFormatter4.dateFormat = "dd/MM/yyyy"
                let resultString = dateFormatter4.string(from: date)
                self.redeemed_date_string = resultString
            } else {
                self.redeemed_date = Date()
                self.redeemed_date_string = ""
            }
        } else {
            self.redeemed_date = Date()
            self.redeemed_date_string = ""
        }
    }
    
    public var _img_preview: String {
        get { return self.img_preview ?? "" }
        set(newValue) { self.img_preview = newValue }
    }
    
    public var _name: String {
        get { return self.name ?? "" }
        set(newValue) { self.name = newValue }
    }
    
    public var _uuid: String {
        get { return self.uuid ?? "" }
        set(newValue) { self.uuid = newValue }
    }
    
    public var _redeemed_date: Date {
        get { return self.redeemed_date ?? Date() }
        set(newValue) { self.redeemed_date = newValue }
    }
    
    public var _redeemed_date_string: String {
        get { return self.redeemed_date_string ?? "" }
        set(newValue) { self.redeemed_date_string = newValue }
    }
}

public class CouponItemModel {
    public let couponset_uuid: String?
    public let name: String?
    public let image: String?
    public let expiration: String?
    public let created: String?
    public let description: String?
    public let discount: String?
    public let coupon: String?
    public let category: String?
    public let barcode: String?
    public var status: Int?
    public let transaction_uuid: String?
    public let redeemed: String?
    public let redeemed_date: Date?
    public var couponset_data: CouponSetItemModel?
    
    // Market Coupon
    public let inner_text: String?
    public let merchant_uuid: String?
    public let short_description: String?
    public let terms: String?

    // Universal Coupons
    public var merchant_details: MerchantModel?
    public var redeemed_merchant_details: RedeemedMerchantDetailsModel?

    public init(dictionary: [String: Any]) {
        self.couponset_uuid = dictionary["couponset_uuid"] as? String? ?? ""
        self.name = dictionary["name"] as? String? ?? ""
        self.image = dictionary["image"] as? String? ?? ""
        self.description = dictionary["description"] as? String? ?? ""
        self.coupon = dictionary["coupon"] as? String? ?? ""
        self.category = dictionary["category"] as? String? ?? ""
        self.barcode = dictionary["barcode"] as? String? ?? ""
        self.status = dictionary["status"] as? Int? ?? nil
        
        if let tranIdString = dictionary["transaction_uuid"] as? String? ?? "", tranIdString != "" {
            self.transaction_uuid = tranIdString
        } else if let tranIdInt = dictionary["transaction_uuid"] as? Int? ?? 0, tranIdInt != 0 {
            self.transaction_uuid = String(tranIdInt)
        } else {
            self.transaction_uuid = ""
        }
        
        if let tempDiscount = dictionary["discount"] as? String? ?? "" {
            if tempDiscount.contains(",") {
                let formattedDiscount = tempDiscount.replacingOccurrences(of: ",", with: ".")
                self.discount = formattedDiscount
            } else {
                self.discount = dictionary["discount"] as? String? ?? ""
            }
        } else {
            self.discount = ""
        }

        // Market Coupon
        self.inner_text = dictionary["inner_text"] as? String? ?? ""
        self.merchant_uuid = dictionary["merchant_uuid"] as? String? ?? ""
        self.short_description = dictionary["short_description"] as? String? ?? ""
        self.terms = dictionary["terms"] as? String? ?? ""
        
        if let couponSetData = dictionary["couponset_data"] as? [String: Any] {
            let tempCouponset = CouponSetItemModel(dictionary: couponSetData)
            self.couponset_data = tempCouponset
        // Universal Coupons ==>
        } else if let couponSetDetails = dictionary["couponset_details"] as? [String: Any] {
            let tempCouponset = CouponSetItemModel(dictionary: couponSetDetails)
            self.couponset_data = tempCouponset
        } else {
            self.couponset_data = nil
        }

        if let merchantDetails = dictionary["merchant_details"] as? [String: Any] {
            let tempMerchantDetails = MerchantModel(dictionary: merchantDetails)
            self.merchant_details = tempMerchantDetails
        } else {
            self.merchant_details = nil
        }

        if let redeemedMerchantDetails = dictionary["redeemed_merchant_details"] as? [String: Any] {
            let tempRedeemedMerchantDetails = RedeemedMerchantDetailsModel(dictionary: redeemedMerchantDetails)
            self.redeemed_merchant_details = tempRedeemedMerchantDetails
        } else {
            self.redeemed_merchant_details = nil
        }
        // <==
        
        let expirationString = dictionary["expiration"] as? String? ?? ""
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
        if let date = dateFormatter.date(from: expirationString ?? "") {
            dateFormatter.dateFormat = "dd/MM/yyyy"
            let resultString = dateFormatter.string(from: date)
            self.expiration = resultString
        } else {
            self.expiration = ""
        }

        let createdString = dictionary["created"] as? String? ?? ""
        let dateFormatter2 = DateFormatter()
        dateFormatter2.dateFormat = "yyyy-MM-dd HH:mm:ss.SSSSSS"
        if let date = dateFormatter2.date(from: createdString ?? "") {
            dateFormatter2.dateFormat = "dd/MM/yyyy"
            let resultString = dateFormatter2.string(from: date)
            self.created = resultString
        } else {
            self.created = ""
        }

        if let changes_dates = dictionary["changes_dates"] as? [String: Any] {
            let redeemedString = changes_dates["redeemed"] as? String? ?? ""
            // Example redeemedString: "2022-11-03 17:08:21.285355";
            let dateFormatter3 = DateFormatter()
            dateFormatter3.dateFormat = "yyyy-MM-dd HH:mm:ss.SSSSSS"
            if let date = dateFormatter3.date(from: redeemedString ?? "") {
                self.redeemed_date = date
                dateFormatter3.dateFormat = "dd/MM/yyyy"
                let resultString = dateFormatter3.string(from: date)
                self.redeemed = resultString
            } else {
                self.redeemed = ""
                self.redeemed_date = Date()
            }
        } else {
            self.redeemed = ""
            self.redeemed_date = Date()
        }
    }
    
    public func setCouponSetData(_ couponSet: CouponSetItemModel) {
        self.couponset_data = couponSet
    }
}

public class RedeemedSMHistoryModel {
    private var totalRedeemedValue: Float
    private var redeemedCouponList: Array<CouponItemModel>
    
    init() {
        self.totalRedeemedValue = 0.0
        self.redeemedCouponList = []
    }

    public var _totalRedeemedValue: Float {
        get { return self.totalRedeemedValue }
        set(newValue) { self.totalRedeemedValue = newValue }
    }

    public var _redeemedCouponList: Array<CouponItemModel> {
        get { return self.redeemedCouponList }
        set(newValue) { self.redeemedCouponList = newValue }
    }
}

// MARK: - String Extension for HTML

// extension String {
//     var htmlToString: String {
//         guard let data = self.data(using: .utf8) else { return self }
//         do {
//             return try NSAttributedString(data: data, options: [.documentType: NSAttributedString.DocumentType.html, .characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil).string
//         } catch {
//             return self
//         }
//     }
// }