//
//  WeatherData.swift
//  Reflect
//
//  Codable weather model stored as JSON string in MoodEntryModel.
//

import Foundation

struct WeatherData: Codable {
    let conditionSymbol: String    // SF Symbol from WeatherKit (e.g. "cloud.sun.fill")
    let condition: String          // "Partly Cloudy"
    let temperature: Double        // Current/average in Celsius
    let highTemperature: Double    // Day high in Celsius
    let lowTemperature: Double     // Day low in Celsius
    let humidity: Double           // 0.0–1.0
    let latitude: Double
    let longitude: Double
    let fetchedAt: Date

    // MARK: - JSON Helpers

    func encode() -> String? {
        guard let data = try? JSONEncoder().encode(self) else { return nil }
        return String(data: data, encoding: .utf8)
    }

    static func decode(from json: String) -> WeatherData? {
        guard let data = json.data(using: .utf8) else { return nil }
        return try? JSONDecoder().decode(WeatherData.self, from: data)
    }
}