//
//  MyRewardsViewController.swift
//  SwiftWarplyFramework
//
//  Created by Manos Chorianopoulos on 22/5/25.
//

import UIKit

struct SectionModel {
    let title: String
    let count: Int
    let offers: [OfferModel]
}

struct OfferModel {
    let category: String
    let title: String
    let description: String
    let discount: String
    let discountType: String // e.g., "price", "percentage", "free", "buyOneGetOne", etc.
    let bannerImage: String
    let merchantLogo: String
    let expirationDate: String
    let color: UInt
    var isFavorite: Bool
}

@objc public class MyRewardsViewController: UIViewController {
    @IBOutlet weak var tableView: UITableView!
    
    // MARK: - Dummy Data
    let allOffers: [OfferModel] = [
        // Banner Offers
        OfferModel(
            category: "Διαγωνισμός",
            title: "Διαγωνισμός Κού-πονς!",
            description: "13 Απίθανα ΔΩΡΑ σε περιμένουν!",
            discount: "",
            discountType: "contest",
            bannerImage: "contest_banner",
            merchantLogo: "contest_logo",
            expirationDate: "30/06/2025",
            color: 0x8A2BE2,
            isFavorite: false
        ),
        OfferModel(
            category: "Διαγωνισμός",
            title: "Διαγωνισμός Κού-πονς!",
            description: "13 Απίθανα ΔΩΡΑ σε περιμένουν!",
            discount: "",
            discountType: "contest",
            bannerImage: "contest_banner",
            merchantLogo: "contest_logo",
            expirationDate: "30/06/2025",
            color: 0x8A2BE2,
            isFavorite: false
        ),
        OfferModel(
            category: "Διαγωνισμός",
            title: "Διαγωνισμός Κού-πονς!",
            description: "13 Απίθανα ΔΩΡΑ σε περιμένουν!",
            discount: "",
            discountType: "contest",
            bannerImage: "contest_banner",
            merchantLogo: "contest_logo",
            expirationDate: "30/06/2025",
            color: 0x8A2BE2,
            isFavorite: false
        ),
        // Top offers
        OfferModel(
            category: "Top offers",
            title: "Μόνο 17.95",
            description: "2 πίτσες & Coca-COLA 1,5lt",
            discount: "17.95€",
            discountType: "price",
            bannerImage: "pizza_banner",
            merchantLogo: "dominos_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: true
        ),
        OfferModel(
            category: "Top offers",
            title: "20% έκπτωση",
            description: "για όλες τις online αγορές σας",
            discount: "20%",
            discountType: "percentage",
            bannerImage: "furniture_banner",
            merchantLogo: "ikea_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        // OfferModel(
        //     category: "Top offers",
        //     title: "Δωρεάν μεταφορικά",
        //     description: "για αγορές άνω των 50€",
        //     discount: "Δωρεάν",
        //     discountType: "free",
        //     bannerImage: "delivery_banner",
        //     merchantLogo: "skroutz_logo",
        //     expirationDate: "έως 30/09",
        //     color: 0xEE417D,
        //     isFavorite: false
        // ),
        
        // Αγαπημένα
        // OfferModel(
        //     category: "Αγαπημένα",
        //     title: "15% έκπτωση",
        //     description: "στην ενοικίαση αυτοκινήτου",
        //     discount: "15%",
        //     discountType: "percentage",
        //     bannerImage: "car_rental_banner",
        //     merchantLogo: "avis_logo",
        //     expirationDate: "έως 30/09",
        //     color: 0xEE417D,
        //     isFavorite: true
        // ),
        // OfferModel(
        //     category: "Αγαπημένα",
        //     title: "20€ έως και",
        //     description: "έκπτωση στα πακέτα",
        //     discount: "20€",
        //     discountType: "amount",
        //     bannerImage: "hotel_banner",
        //     merchantLogo: "booking_logo",
        //     expirationDate: "έως 30/09",
        //     color: 0xEE417D,
        //     isFavorite: true
        // ),
        
        // Βιωσιμότητα
        OfferModel(
            category: "Βιωσιμότητα",
            title: "15% έκπτωση",
            description: "σε όλα τα προϊόντα",
            discount: "15%",
            discountType: "percentage",
            bannerImage: "musa_banner",
            merchantLogo: "musa_logo",
            expirationDate: "έως 30/09",
            color: 0x09914E,
            isFavorite: false
        ),
        OfferModel(
            category: "Βιωσιμότητα",
            title: "20% έκπτωση",
            description: "στην παραγγελία",
            discount: "20%",
            discountType: "percentage",
            bannerImage: "musa_banner",
            merchantLogo: "musa_logo",
            expirationDate: "έως 30/09",
            color: 0x09914E,
            isFavorite: true
        ),
        
        // Family
        OfferModel(
            category: "Family",
            title: "10% έκπτωση",
            description: "στην κατασκήνωση στο The Ranch",
            discount: "10%",
            discountType: "percentage",
            bannerImage: "ranch_banner",
            merchantLogo: "ranch_logo",
            expirationDate: "έως 30/09",
            color: 0xFC9F25,
            isFavorite: false
        ),
        OfferModel(
            category: "Family",
            title: "1+1 εισιτήριο",
            description: "δώρο στην είσοδο του παιδότοπου",
            discount: "1+1",
            discountType: "buyOneGetOne",
            bannerImage: "ranch_banner",
            merchantLogo: "ranch_logo",
            expirationDate: "έως 30/09",
            color: 0xFC9F25,
            isFavorite: false
        ),
        
        // Φαγητό και καφές
        OfferModel(
            category: "Φαγητό και καφές",
            title: "2€ έκπτωση",
            description: "στην αγορά σου",
            discount: "2€",
            discountType: "amount",
            bannerImage: "coffeeisland_banner",
            merchantLogo: "coffeeisland_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        OfferModel(
            category: "Φαγητό και καφές",
            title: "10% έκπτωση",
            description: "σε γλυκά & πεϊνιρλιδες",
            discount: "10%",
            discountType: "percentage",
            bannerImage: "coffeeisland_banner",
            merchantLogo: "coffeeisland_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        
        // Απόδραση
        OfferModel(
            category: "Απόδραση",
            title: "10% έκπτωση",
            description: "στην διαμονή/διασκέδαση σου",
            discount: "10%",
            discountType: "percentage",
            bannerImage: "ninemia_banner",
            merchantLogo: "ninemia_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: true
        ),
        OfferModel(
            category: "Απόδραση",
            title: "10% έκπτωση",
            description: "σε όλες τις υπηρεσίες",
            discount: "10%",
            discountType: "percentage",
            bannerImage: "ninemia_banner",
            merchantLogo: "ninemia_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        
        // Παιδί
        OfferModel(
            category: "Παιδί",
            title: "10% έκπτωση",
            description: "για αγορές από τα φυσικά καταστήματα",
            discount: "10%",
            discountType: "percentage",
            bannerImage: "moustakas_banner",
            merchantLogo: "moustakas_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        OfferModel(
            category: "Παιδί",
            title: "1+1 Δώρο",
            description: "στην είσοδο του παιδότοπου",
            discount: "1+1",
            discountType: "buyOneGetOne",
            bannerImage: "moustakas_banner",
            merchantLogo: "moustakas_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        
        // Αγορές
        OfferModel(
            category: "Αγορές",
            title: "15€ έκπτωση",
            description: "για αγορές",
            discount: "15€",
            discountType: "amount",
            bannerImage: "migato_banner",
            merchantLogo: "migato_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        ),
        OfferModel(
            category: "Αγορές",
            title: "Έως 30% έκπτωση",
            description: "στις αγορές σου",
            discount: "Έως 30%",
            discountType: "percentage",
            bannerImage: "migato_banner",
            merchantLogo: "migato_logo",
            expirationDate: "έως 30/09",
            color: 0xEE417D,
            isFavorite: false
        )
    ]
    
    var bannerOffersSection: SectionModel?
    var topOffersSection: SectionModel?
    var favoriteOffersSection: SectionModel?
    var sustainableOffersSection: SectionModel?
    var familyOffersSection: SectionModel?
    var foodOffersSection: SectionModel?
    var escapeOffersSection: SectionModel?
    var childOffersSection: SectionModel?
    var shoppingOffersSection: SectionModel?
    
    public override func viewDidLoad() {
        super.viewDidLoad()
        
        // Register XIBs for table view cells
        tableView.register(UINib(nibName: "MyRewardsBannerOffersScrollTableViewCell", bundle: Bundle(for: MyEmptyClass.self)), forCellReuseIdentifier: "MyRewardsBannerOffersScrollTableViewCell")
        tableView.register(UINib(nibName: "MyRewardsOffersScrollTableViewCell", bundle: Bundle(for: MyEmptyClass.self)), forCellReuseIdentifier: "MyRewardsOffersScrollTableViewCell")
        
        // Set up table view
        tableView.delegate = self
        tableView.dataSource = self
        tableView.separatorStyle = .none
        tableView.estimatedRowHeight = 200
        tableView.rowHeight = UITableView.automaticDimension
        
        initializeSections()
    }
    
    // MARK: Function
    func initializeSections() {
        // Banner Offers (for the promotional banner at the top)
        let bannerOffers = allOffers.filter { $0.category == "Διαγωνισμός" }
        bannerOffersSection = SectionModel(
            title: "Διαγωνισμός",
            count: bannerOffers.count,
            offers: bannerOffers
        )

        // Top Offers
        let topOffers = allOffers.filter { $0.category == "Top offers" }
        topOffersSection = SectionModel(
            title: "Top offers",
            count: topOffers.count,
            offers: topOffers
        )

        // Favorite Offers
        let favoriteOffers = allOffers.filter { $0.isFavorite }
        favoriteOffersSection = SectionModel(
            title: "Αγαπημένα",
            count: favoriteOffers.count,
            offers: favoriteOffers
        )

        // Sustainable Offers
        let sustainableOffers = allOffers.filter { $0.category == "Βιωσιμότητα" }
        sustainableOffersSection = SectionModel(
            title: "Βιωσιμότητα",
            count: sustainableOffers.count,
            offers: sustainableOffers
        )

        // Family Offers
        let familyOffers = allOffers.filter { $0.category == "Family" }
        familyOffersSection = SectionModel(
            title: "Family",
            count: familyOffers.count,
            offers: familyOffers
        )

        // Food Offers
        let foodOffers = allOffers.filter { $0.category == "Φαγητό και καφές" }
        foodOffersSection = SectionModel(
            title: "Φαγητό και καφές",
            count: foodOffers.count,
            offers: foodOffers
        )

        // Escape Offers
        let escapeOffers = allOffers.filter { $0.category == "Απόδραση" }
        escapeOffersSection = SectionModel(
            title: "Απόδραση",
            count: escapeOffers.count,
            offers: escapeOffers
        )

        // Child Offers
        let childOffers = allOffers.filter { $0.category == "Παιδί" }
        childOffersSection = SectionModel(
            title: "Παιδί",
            count: childOffers.count,
            offers: childOffers
        )

        // Shopping Offers
        let shoppingOffers = allOffers.filter { $0.category == "Αγορές" }
        shoppingOffersSection = SectionModel(
            title: "Αγορές",
            count: shoppingOffers.count,
            offers: shoppingOffers
        )
        
        self.tableView.reloadData()
    }

}

// MARK: - TableView
extension MyRewardsViewController: UITableViewDelegate, UITableViewDataSource{
    
    public func numberOfSections(in tableView: UITableView) -> Int {
        return 9
    }
    
    public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 1
    }
    
    public func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return UITableView.automaticDimension
    }
    
    public func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        return nil
    }

    public func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 0.0
    }

    public func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
//        return CGFloat.leastNormalMagnitude
        return 0.0
    }

    public func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        return nil
    }
    
    public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if (indexPath.section == 0) {
            let cell = tableView.dequeueReusableCell(withIdentifier: "MyRewardsBannerOffersScrollTableViewCell", for: indexPath) as! MyRewardsBannerOffersScrollTableViewCell
            cell.configureCell(data: self.bannerOffersSection)
//            cell.parent = self
            return cell
            
        } else {
            let cell = tableView.dequeueReusableCell(withIdentifier: "MyRewardsOffersScrollTableViewCell", for: indexPath) as! MyRewardsOffersScrollTableViewCell
            
            if (indexPath.section == 1) {
                cell.configureCell(data: self.topOffersSection)
            } else if (indexPath.section == 2) {
                cell.configureCell(data: self.favoriteOffersSection)
            } else if (indexPath.section == 3) {
                cell.configureCell(data: self.sustainableOffersSection)
            } else if (indexPath.section == 4) {
                cell.configureCell(data: self.familyOffersSection)
            } else if (indexPath.section == 5) {
                cell.configureCell(data: self.foodOffersSection)
            } else if (indexPath.section == 6) {
                cell.configureCell(data: self.escapeOffersSection)
            } else if (indexPath.section == 7) {
                cell.configureCell(data: self.childOffersSection)
            } else {
                cell.configureCell(data: self.shoppingOffersSection)
            }
            
            return cell
        }
        
    }
    
    public func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if (indexPath.section == 0) {
            // Do nothing - Each button is handled differently
            
        } else if (indexPath.section == 1) {
            // Do nothing
        } else if (indexPath.section == 2) {
            // Do nothing
        } else if (indexPath.section == 3) {
            // Do nothing
        } else if (indexPath.section == 4) {
            // Do nothing
        } else if (indexPath.section == 5) {
            // Do nothing
        } else if (indexPath.section == 6) {
            // Do nothing
        } else if (indexPath.section == 7) {
            // Do nothing
        } else {
            // Do nothing
        }
    }
}