use motec_i2::{ChannelMetadata, Datatype, Header, I2Result, LDWriter, Sample};
use std::fs::File;

fn main() -> I2Result<()> {
    let filename = "test_write.ld";
    println!("Writing file: {}", filename);

    let mut file = File::create(filename).expect("Failed to open file!");

    let header = Header {
        channel_meta_ptr: 13384,
        channel_data_ptr: 23056,
        event_ptr: 1762,
        device_serial: 12007,
        device_type: "ADL".to_string(),
        device_version: 420,
        num_channels: 1,
        date_string: "23/11/2005".to_string(),
        time_string: "09:53:00".to_string(),
        driver: "".to_string(),
        vehicleid: "11A".to_string(),
        venue: "Calder".to_string(),
        session: "2".to_string(),
        short_comment: "second warmup".to_string(),
    };

    let channel0_meta = ChannelMetadata {
        prev_addr: 0,
        next_addr: 0,
        data_addr: 0,
        data_count: 0,
        datatype: Datatype::I16,
        sample_rate: 2,
        offset: 0,
        mul: 1,
        scale: 1,
        dec_places: 1,
        name: "Air Temp Inlet".to_string(),
        short_name: "Air Tem".to_string(),
        unit: "C".to_string(),
    };
    let channel0_samples = vec![
        Sample::I16(190),
        Sample::I16(190),
        Sample::I16(190),
        Sample::I16(190),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(200),
        Sample::I16(190),
        Sample::I16(190),
        Sample::I16(190),
    ];

    let gps_lat_meta = ChannelMetadata {
        prev_addr: 0,
        next_addr: 0,
        data_addr: 0,
        data_count: 0,
        datatype: Datatype::I32,
        sample_rate: 2,
        offset: 0,
        mul: 1,
        scale: 1,
        dec_places: 7,
        name: "GPS Latitude".to_string(),
        short_name: "GPS Lat".to_string(),
        unit: "deg".to_string(),
    };
    let gps_lat_samples = vec![
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867777),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
        Sample::I32(387867788),
    ];

    LDWriter::new(&mut file, header)
        .with_channel(channel0_meta, channel0_samples)
        .with_channel(gps_lat_meta, gps_lat_samples)
        .write()?;

    Ok(())
}