// ABOUTME: Unit-Tests für Output-Formatierung (Plain-Text und Waybar-JSON).
// ABOUTME: Testet alle BatteryStatus-Varianten und Grenzwerte in der Waybar-Ausgabe.

use corsairctl::bragi::properties::BatteryStatus;
use corsairctl::output;

#[test]
fn format_battery_discharging() {
    let result = output::format_battery(75.0, &BatteryStatus::Discharging);
    assert_eq!(result, "Battery: 75% (Discharging)");
}

#[test]
fn format_battery_charging() {
    let result = output::format_battery(50.0, &BatteryStatus::Charging);
    assert_eq!(result, "Battery: 50% (Charging)");
}

#[test]
fn format_brightness_value() {
    let result = output::format_brightness(330);
    assert_eq!(result, "LED Brightness: 330/1000 (33%)");
}

#[test]
fn format_brightness_zero() {
    let result = output::format_brightness(0);
    assert_eq!(result, "LED Brightness: 0/1000 (0%)");
}

#[test]
fn format_sidetone_value() {
    let result = output::format_sidetone(3);
    assert_eq!(result, "Sidetone: 3/23");
}

#[test]
fn format_info_values() {
    let result = output::format_info(0x1B1C, 0x0A69, 1797, 0);
    let expected = "Vendor ID:  0x1B1C\nProduct ID: 0x0A69\nFirmware:   1797.0";
    assert_eq!(result, expected);
}

// Waybar-JSON Tests

#[test]
fn waybar_json_is_valid_json() {
    let json_str = output::format_waybar_json(50.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).expect("muss valides JSON sein");
    assert!(parsed.is_object());
}

#[test]
fn waybar_json_has_required_fields() {
    let json_str = output::format_waybar_json(50.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert!(parsed["text"].is_string(), "text fehlt");
    assert!(parsed["tooltip"].is_string(), "tooltip fehlt");
    assert!(parsed["class"].is_string(), "class fehlt");
    assert!(parsed["percentage"].is_number(), "percentage fehlt");
}

#[test]
fn waybar_json_percentage_matches_level() {
    let json_str = output::format_waybar_json(73.5, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["percentage"], 74); // 73.5 rounded
}

#[test]
fn waybar_json_class_charging() {
    let json_str = output::format_waybar_json(50.0, &BatteryStatus::Charging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "charging");
}

#[test]
fn waybar_json_class_fully_charged() {
    let json_str = output::format_waybar_json(100.0, &BatteryStatus::FullyCharged);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "charging");
}

#[test]
fn waybar_json_class_low() {
    let json_str = output::format_waybar_json(20.0, &BatteryStatus::Low);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "low");
}

#[test]
fn waybar_json_class_critical_when_discharging_below_15() {
    let json_str = output::format_waybar_json(10.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "critical");
}

#[test]
fn waybar_json_class_warning_when_discharging_below_30() {
    let json_str = output::format_waybar_json(25.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "warning");
}

#[test]
fn waybar_json_class_normal_when_discharging_above_30() {
    let json_str = output::format_waybar_json(50.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "normal");
}

#[test]
fn waybar_json_class_at_boundary_15() {
    let json_str = output::format_waybar_json(15.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    // 15.0 ist <= 15.0 → critical
    assert_eq!(parsed["class"], "critical");
}

#[test]
fn waybar_json_class_at_boundary_30() {
    let json_str = output::format_waybar_json(30.0, &BatteryStatus::Discharging);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    // 30.0 ist <= 30.0 → warning
    assert_eq!(parsed["class"], "warning");
}

#[test]
fn waybar_json_offline() {
    let json_str = output::format_waybar_json(0.0, &BatteryStatus::Offline);
    let parsed: serde_json::Value = serde_json::from_str(&json_str).unwrap();
    assert_eq!(parsed["class"], "offline");
}