//! Demonstrates using the SDK as a library (no server).

use kra_etims_sdk::{
    models::{
        auth::AuthRequest,
        basic_data::CodeListRequest,
        initialization::InitOsdcInfoRequest,
        sales::{SalesTrnsItem, SendSalesTrnsRequest},
    },
    KRAeTimsSDK,
};

#[tokio::main]
async fn main() {
    dotenvy::dotenv().ok();
    kra_etims_sdk::logger::init();

    let sdk = KRAeTimsSDK::new().expect("SDK initialisation failed");

    // 1. Authenticate
    println!("▸ Authenticating…");
    let auth = sdk
        .auth
        .get_token(AuthRequest {
            username: std::env::var("API_USERNAME").unwrap(),
            password: std::env::var("API_PASSWORD").unwrap(),
        })
        .await;
    match &auth {
        Ok(r) => println!("  ✓ token obtained, expires at {}", r.data.expires_at),
        Err(e) => {
            eprintln!("  ✗ {e}");
            return;
        }
    }

    // 2. Initialise OSDC
    println!("▸ Initialising OSDC Info…");
    match sdk
        .initialization
        .select_init_osdc_info(InitOsdcInfoRequest {
            tin: "P000000045R".into(),
            bhf_id: "00".into(),
            dvc_srl_no: "MOVA22".into(),
        })
        .await
    {
        Ok(r) => println!("  ✓ {}", serde_json::to_string_pretty(&r).unwrap()),
        Err(e) => eprintln!("  ✗ {e}"),
    }

    // 3. Code list
    println!("▸ Fetching code list…");
    match sdk
        .basic_data
        .select_code_list(CodeListRequest {
            tin: "P000000045R".into(),
            bhf_id: "00".into(),
            last_req_dt: "20220101010101".into(),
            cmc_key: None,
        })
        .await
    {
        Ok(r) => println!("  ✓ {}", serde_json::to_string_pretty(&r).unwrap()),
        Err(e) => eprintln!("  ✗ {e}"),
    }

    // 4. Sales transaction
    println!("▸ Sending sales transaction…");
    match sdk
        .sales
        .send_sales_trns(SendSalesTrnsRequest {
            tin: "P000000045R".into(),
            bhf_id: "00".into(),
            invc_no: "INV001".into(),
            sales_trns_items: vec![SalesTrnsItem {
                item_cd: "ITEM001".into(),
                item_nm: "Test Item".into(),
                qty: 1.0,
                prc: 100.0,
                sply_amt: 100.0,
                dc_rt: None,
                dc_amt: None,
                tax_ty_cd: "V".into(),
                tax_amt: 16.0,
            }],
            cmc_key: None,
        })
        .await
    {
        Ok(r) => println!("  ✓ {}", serde_json::to_string_pretty(&r).unwrap()),
        Err(e) => eprintln!("  ✗ {e}"),
    }

    println!("Done.");
}