// src/shared/date_utils.rs
use chrono::NaiveDate;

/// Attempts to parse the date string with multiple commonly used formats in Slovakia
pub fn parse_date_with_multiple_formats(date_str: &str) -> Option<NaiveDate> {
    // Define common date formats used in Slovakia
    let formats = [
        "%d:%m:%Y",    // Original format: 01:01:2023
        "%d.%m.%Y",    // Standard Slovak format: 01.01.2023
        "%d-%m-%Y",    // Dash format: 01-01-2023
        "%d/%m/%Y",    // Slash format: 01/01/2023
        "%Y-%m-%d",    // ISO format: 2023-01-01
        "%Y/%m/%d",    // Alternative ISO: 2023/01/01
        "%Y.%m.%d",    // Dot ISO: 2023.01.01
        "%d.%m.%y",    // Short year with dot: 01.01.23
        "%d-%m-%y",    // Short year with dash: 01-01-23
        "%d/%m/%y",    // Short year with slash: 01/01/23
    ];

    // Try each format until one works
    for format in formats {
        if let Ok(date) = NaiveDate::parse_from_str(date_str, format) {
            return Some(date);
        }
    }

    // If none of the formats worked, try to handle potential whitespace issues
    let trimmed = date_str.trim();
    if trimmed != date_str {
        return parse_date_with_multiple_formats(trimmed);
    }

    None
}