package device

import (
	"context"
	"testing"
)

func TestSetFlightPreservesRawCFUNZero(t *testing.T) {
	client := &transcriptClient{steps: []clientStep{
		{command: "AT+CFUN?", response: okResponse("+CFUN: 0")},
		{command: "AT+CFUN?", response: okResponse("+CFUN: 0")},
	}}
	manager, id := newStartedTestManager(t, client)

	result, err := manager.SetFlight(context.Background(), id, true)
	if err != nil {
		t.Fatalf("SetFlight: %v", err)
	}
	if result.Changed || result.PreviousMode != 0 || result.CurrentMode != 0 ||
		!result.FlightMode || !result.RadioOff {
		t.Fatalf("result = %#v", result)
	}
	client.assertDone(t)
}

func TestSetFlightRestoresPreviousFunctionalMode(t *testing.T) {
	client := &transcriptClient{steps: []clientStep{
		{command: "AT+CFUN?", response: okResponse("+CFUN: 1")},
		{command: "AT+CFUN=4", response: okResponse()},
		{command: "AT+CFUN?", response: okResponse("+CFUN: 4")},
		{command: "AT+CFUN?", response: okResponse("+CFUN: 4")},
		{command: "AT+CFUN=1", response: okResponse()},
		{command: "AT+CFUN?", response: okResponse("+CFUN: 1")},
	}}
	manager, id := newStartedTestManager(t, client)

	enabled, err := manager.SetFlight(context.Background(), id, true)
	if err != nil {
		t.Fatalf("enable flight mode: %v", err)
	}
	if !enabled.Changed || enabled.PreviousMode != 1 ||
		enabled.CurrentMode != 4 || !enabled.FlightMode {
		t.Fatalf("enable result = %#v", enabled)
	}
	disabled, err := manager.SetFlight(context.Background(), id, false)
	if err != nil {
		t.Fatalf("disable flight mode: %v", err)
	}
	if !disabled.Changed || disabled.PreviousMode != 4 ||
		disabled.CurrentMode != 1 || disabled.FlightMode {
		t.Fatalf("disable result = %#v", disabled)
	}
	client.assertDone(t)
}

func TestUSSDWaitsForAndDecodesCUSD(t *testing.T) {
	client := &transcriptClient{
		steps: []clientStep{{
			command:  `AT+CUSD=1,"*100#",15`,
			response: okResponse(),
		}},
		urcs: []string{`+CUSD: 0,"004F004B",72`},
	}
	manager, id := newStartedTestManager(t, client)

	result, err := manager.USSD(context.Background(), id, "*100#")
	if err != nil {
		t.Fatalf("USSD: %v", err)
	}
	if result.Text != "OK" || result.Code != "*100#" ||
		result.DCS == nil || *result.DCS != 72 {
		t.Fatalf("result = %#v", result)
	}
	if _, err := manager.USSD(context.Background(), id, "*100#\rAT"); err == nil {
		t.Fatal("expected invalid service code rejection")
	}
	client.assertDone(t)
}