.swift

struct MonthConfig {
    let backgroundColor: Color      // Background color for the month display
    let dateText: String            // Text describing specific dates or holidays in the month
    let weekdayTextColor: Color    // Text color for weekdays
    let dayTextColor: Color        // Text color for days of the month
    let month: String              // Name of the month
    
    /// Determines and returns the configuration (MonthConfig) based on the given date.
    ///
    /// - Parameter date: The date used to determine the month configuration.
    /// - Returns: A MonthConfig object corresponding to the month of the given date.
    static func determineConfig(from date: Date) -> MonthConfig {
        let monthInt = Calendar.current.component(.month, from: date)
        
        switch monthInt {
        case 1: // January
            return MonthConfig(backgroundColor: .gray,
                               dateText: "1 and 26",
                               weekdayTextColor: .black.opacity(0.6),
                               dayTextColor: .white.opacity(0.8),
                               month: "Jan")
        case 2: // February
            return MonthConfig(backgroundColor: .palePink,
                               dateText: "No Holiday",
                               weekdayTextColor: .pink.opacity(0.5),
                               dayTextColor: .white.opacity(0.8),
                               month: "Feb")
        case 3: // March
            return MonthConfig(backgroundColor: .paleGreen,
                               dateText: "25",
                               weekdayTextColor: .black.opacity(0.7),
                               dayTextColor: .white.opacity(0.8),
                               month: "March")
        case 4: // April
            return MonthConfig(backgroundColor: .paleBlue,
                               dateText: "No Holiday",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .white.opacity(0.8),
                               month: "April")
        case 5: // May
            return MonthConfig(backgroundColor: .paleYellow,
                               dateText: "1",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .white.opacity(0.7),
                               month: "May")
        case 6: // June
            return MonthConfig(backgroundColor: .skyBlue,
                               dateText: "No Holiday",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .white.opacity(0.7),
                               month: "June")
        case 7: // July
            return MonthConfig(backgroundColor: .blue,
                               dateText: "No Holiday",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .white.opacity(0.8),
                               month: "July")
        case 8: // August
            return MonthConfig(backgroundColor: .paleOrange,
                               dateText: "15",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .white.opacity(0.8),
                               month: "August")
        case 9: // September
            return MonthConfig(backgroundColor: .paleRed,
                               dateText: "No Holiday",
                               weekdayTextColor: .black.opacity(0.5),
                               dayTextColor: .paleYellow.opacity(0.9),
                               month: "Sep")
        case 10: // October
            return MonthConfig(backgroundColor: .black,
                               dateText: "2",
                               weekdayTextColor: .white.opacity(0.6),
                               dayTextColor: .orange.opacity(0.8),
                               month: "Oct")
        case 11: // November
            return MonthConfig(backgroundColor: .paleBrown,
                               dateText: "31",
                               weekdayTextColor: .black.opacity(0.6),
                               dayTextColor: .white.opacity(0.6),
                               month: "Nov")
        case 12: // December
            return MonthConfig(backgroundColor: .paleRed,
                               dateText: "25",
                               weekdayTextColor: .white.opacity(0.6),
                               dayTextColor: .darkGreen.opacity(0.8),
                               month: "Dec")
        default:
            // Default case for unexpected month values (shouldn't typically happen)
            return MonthConfig(backgroundColor: .gray,
                               dateText: "📅",
                               weekdayTextColor: .black.opacity(0.6),
                               dayTextColor: .white.opacity(0.8),
                               month: "None")
        }
    }
}