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//! ##Examples
//! ```
//!
//! use gps_data_collector_kim
//! use rpi_embedded::uart::{Uart, Parity};
//!
//! fn main() {
//! let mut gps1 = MyGps::new();
//!
//! let mut uart = Uart::new(gps1.baud_rate as u32, Parity::None, 8, 1).unwrap();
//!
//! let data = uart.read_until('\n').unwrap();
//! gps1.read_gpgga(data);
//! gps1.print_gpgga();
//! }
//!
//! ```

#[cfg(test)]
mod tests {

    use super::*;

    #[test]
    fn recognizing_gpgga_works() {
        let mut gps1 = MyGps::new();

        let input = String::from("$GPGGA");
        assert_eq!(true, gps1.is_gpgga_data(input));
    }

    #[test]
    fn recognizing_other_format_works() {
        let mut gps1 = MyGps::new();

        let input = String::from("$GPGSA");
        assert_eq!(false, gps1.is_gpgga_data(input));
    }

    #[test]
    fn parsing_works() {
        let mut gps1 = MyGps::new();

        let input = String::from("$GPGGA,112503.101,6507.4485,N,02255.5355,W,1,04,2.26,17.7,M,60.6,M,,*44");
        gps1.read_gpgga(input);
        assert_eq!(112503.101, gps1.time);
        assert_eq!(6507.4485, gps1.long);
        assert_eq!(02255.5355, gps1.lat);
        assert_eq!("N", gps1.n_s);
        assert_eq!("W", gps1.e_w);
        assert_eq!(17.7, gps1.alt);
        assert_eq!(04, gps1.n_of_sat);
    }

    #[test]
    fn test_uart() {
        let mut uart = Uart::new(UartSettings::BaudRate9600 as u32, Parity::None, 8, 1).unwrap();
        uart.set_read_mode(1, Duration::default()).unwrap();
        let data = uart.read_until(',').unwrap();

        if 0 == data.len() {
            panic!("Uart not working");
        }
    }
}


use rpi_embedded::uart::{Uart, Parity};
use std::time::Duration;

#[derive(Copy, Clone)]
enum UartSettings {
    BaudRate9600 = 9600,
    BaudRate28800 = 28800,
    BaudRate76800 = 76800,
    BaudRate115200 = 115200,
}

pub struct MyGps {
    baud_rate: UartSettings,
    time: f64,
    long: f64,
    lat: f64,
    n_s: String,
	e_w: String,
    fix_quality: u8,
    n_of_sat: u8,
    alt: f64,
}

impl MyGps {
    pub fn new() -> Self {
        let mut _out = Self {
            baud_rate: UartSettings::BaudRate9600,
            time: 0.0,
            long: 0.0,
            lat: 0.0,
            n_s: String::from("N"),
	        e_w: String::from("W"),
            fix_quality: 0,
            n_of_sat: 0,
            alt: 0.0,
        };
        _out
    }

    pub fn read_gpgga (& mut self, raw_data: String) {
        let v: Vec<&str> = raw_data.split(",").collect();
        let gpgga = v[0].parse::<String>().unwrap();

        if self.is_gpgga_data(gpgga) {
            self.time = v[1].parse::<f64>().unwrap();
            self.long = v[2].parse::<f64>().unwrap();
            self.n_s = v[3].parse::<String>().unwrap();
            self.lat = v[4].parse::<f64>().unwrap();
            self.e_w = v[5].parse::<String>().unwrap();
            self.fix_quality = v[6].parse::<u8>().unwrap();
            self.n_of_sat = v[7].parse::<u8>().unwrap();
            self.alt = v[9].parse::<f64>().unwrap();
        }
    }

    fn is_gpgga_data (& mut self, gpgga: String) -> bool {
        if gpgga == "$GPGGA" {
            true
        }
        else {
            false
        }
    }

    pub fn print_gpgga(& mut self) {
        let print_str = format!("\n Time: {}\n Latitude: {}\n Longitude: {}\n Altitude: {}\n Orientation: {}{}\n Number of active satellites: {}\n",self.time,self.lat,self.long,self.alt,self.n_s,self.e_w,self.n_of_sat);
			println!("{}",print_str);
    }
}