//
//  VehicleDto.swift
//  AutoCatCore
//
//  Created by Selim Mustafaev on 12.06.2024.
//  Copyright © 2024 Selim Mustafaev. All rights reserved.
//

import Foundation

public struct VehicleDto: Sendable {
    
    public var brand: VehicleBrandDto?
    public var model: VehicleModelDto?
    public var color: String?
    public var year: Int = 0
    public var category: String?
    public var engine: VehicleEngineDto?
    public var number: String = ""
    public var currentNumber: String?
    public var vin1: String?
    public var vin2: String?
    public var sts: String?
    public var pts: String?
    public var isRightWheel: Bool?
    public var isJapanese: Bool?
    public var addedDate: TimeInterval = 0
    public var updatedDate: TimeInterval = 0
    public var addedBy: String = ""
    public var photos: [VehiclePhotoDto] = []
    public var ownershipPeriods: [VehicleOwnershipPeriodDto] = []
    public var events: [VehicleEventDto] = []
    public var osagoContracts: [OsagoDto] = []
    public var ads: [VehicleAdDto] = []
    public var notes: [VehicleNoteDto] = []
    public var debugInfo: DebugInfoDto?
    public var synchronized: Bool = true
    
    public init() { }
}

extension VehicleDto: Identifiable {
    
    public var id: String { number }
}

extension VehicleDto: Decodable {
    
    enum CodingKeys: String, CodingKey {
        case brand
        case model
        case color
        case year
        case category
        case engine
        case number
        case currentNumber
        case vin1
        case vin2
        case sts
        case pts
        case isRightWheel
        case isJapanese
        case addedDate
        case updatedDate
        case addedBy
        case photos
        case ownershipPeriods
        case events
        case osagoContracts
        case ads
        case notes
        case debugInfo
    }
    
    public init(from decoder: Decoder) throws {

        let container = try decoder.container(keyedBy: CodingKeys.self)
        self.brand = try container.decodeIfPresent(VehicleBrandDto.self, forKey: .brand)
        self.model = try container.decodeIfPresent(VehicleModelDto.self, forKey: .model)
        self.color = try container.decodeIfPresent(String.self, forKey: .color)
        self.year = try container.decodeIfPresent(Int.self, forKey: .year) ?? 0
        self.category = try container.decodeIfPresent(String.self, forKey: .category)
        self.number = try container.decode(String.self, forKey: .number)
        self.engine = try container.decodeIfPresent(VehicleEngineDto.self, forKey: .engine)
        self.currentNumber = try container.decodeIfPresent(String.self, forKey: .currentNumber)
        self.vin1 = try container.decodeIfPresent(String.self, forKey: .vin1)
        self.vin2 = try container.decodeIfPresent(String.self, forKey: .vin2)
        self.sts = try container.decodeIfPresent(String.self, forKey: .sts)
        self.pts = try container.decodeIfPresent(String.self, forKey: .pts)
        self.isRightWheel = try container.decodeIfPresent(Bool.self, forKey: .isRightWheel)
        self.isJapanese = try container.decodeIfPresent(Bool.self, forKey: .isJapanese)
        self.addedDate = (try container.decode(TimeInterval.self, forKey: .addedDate))/1000
        self.addedBy = try container.decode(String.self, forKey: .addedBy)
        self.debugInfo = try container.decodeIfPresent(DebugInfoDto.self, forKey: .debugInfo)
        self.updatedDate = (try container.decode(TimeInterval.self, forKey: .updatedDate))/1000
        
        self.photos = try container.decodeIfPresent([VehiclePhotoDto].self, forKey: .photos) ?? []
        self.ownershipPeriods = try container.decodeIfPresent([VehicleOwnershipPeriodDto].self, forKey: .ownershipPeriods) ?? []
        self.osagoContracts = try container.decodeIfPresent([OsagoDto].self, forKey: .osagoContracts) ?? []
        self.ads = try container.decodeIfPresent([VehicleAdDto].self, forKey: .ads) ?? []
        self.notes = try container.decodeIfPresent([VehicleNoteDto].self, forKey: .notes) ?? []
        
        if let events = try container.decodeIfPresent([VehicleEventDto].self, forKey: .events) {
            self.events =  events.sorted { $0.date > $1.date }
        }
        
        // All vehicles received from API are synchronized by definition
        self.synchronized = true
    }
}

extension VehicleDto: Exportable {
    
    public static var csvHeader: String {
        return "Plate Number, Model, Color, Year, Power (HP), Events, Owners, VIN, STS, PTS, Engine number, Added Date, Updated date, Locations, Notes"
    }
    
    public var csvLine: String {
        let model = self.brand?.name?.original ?? "<unknown>"
        let added = Formatters.standard.string(from: Date(timeIntervalSince1970: self.addedDate))
        let updated = Formatters.standard.string(from: Date(timeIntervalSince1970: self.updatedDate))
        
        var eventsString = ""
        for event in events {
            let location = event.address ?? "lat: \(event.latitude), lon: \(event.longitude)"
            let date = Formatters.standard.string(from: Date(timeIntervalSince1970: event.date))
            eventsString.append(location + "; " + date + "\r\n")
        }
        
        let notesString = self.notes.reduce("") { partialResult, note in
            partialResult + note.text + "\r\n"
        }
        
        let number = self.currentNumber == nil ? self.number : "\(self.number) (\(self.currentNumber ?? ""))"
        
        return String(format: "%@, \"%@\", %@, %d, %f, %d, %d, %@, %@, %@, %@, \"%@\", \"%@\", \"%@\", \"%@\"",
                      number,
                      model,
                      self.color ?? "",
                      self.year,
                      self.engine?.powerHp ?? 0.0,
                      self.events.count,
                      self.ownershipPeriods.count,
                      self.vin1 ?? "",
                      self.sts ?? "",
                      self.pts ?? "",
                      self.engine?.number ?? "",
                      added,
                      updated,
                      eventsString,
                      notesString)
    }
}

extension VehicleDto {
    
    public func getNumber() -> String {
        return self.number
    }
    
    public var unrecognized: Bool {
        return self.brand == nil
    }
    
    public var outdated: Bool {
        if let current = self.currentNumber {
            return current != self.number
        } else {
            return false
        }
    }
}