// Package logictest wires login + in-memory device registry for HTTP/integration tests.
package logictest

import (
	"encoding/json"

	authlogic "spark-server/internal/module/auth/logic"
	deviceentity "spark-server/internal/module/device/entity"
	devicelogic "spark-server/internal/module/device/logic"
	devicemodel "spark-server/internal/module/device/model"
)

const (
	TestAppID     = uint8(1)
	TestIOSIDFV   = "00000000-0000-0000-0000-000000000007"
	TestAndroidID = "spark-test-android-9"
)

var (
	TestIOSDeviceID     = mustDeviceID(deviceentity.TypeIOS, TestIOSIDFV, "")
	TestAndroidDeviceID = mustDeviceID(deviceentity.TypeAndroid, "", TestAndroidID)
)

func mustDeviceID(dtype deviceentity.DeviceType, idfv, androidID string) uint64 {
	id, _, err := devicelogic.DeviceIDFromFingerprint(devicelogic.FingerprintInput{
		DeviceType: dtype,
		IDFV:       idfv,
		AndroidID:  androidID,
	})
	if err != nil || id == 0 {
		panic(err)
	}
	return id
}

// LoginService returns LoginService with memory device registry.
func LoginService(j authlogic.Issuer, users authlogic.Verifier) *authlogic.LoginService {
	reg := devicemodel.NewMemoryRegistry()
	devices := devicelogic.NewService(reg)
	svc := authlogic.NewLoginService(j, users)
	svc.Devices = devices
	return svc
}

// LoginBodyJSON is a minimal iOS login body for tests (stable device_id via TestIOSIDFV).
func LoginBodyJSON(email, verifyCode string) string {
	return LoginBodyJSONNamed(email, verifyCode, "")
}

// LoginBodyJSONNamed adds optional device_name.
func LoginBodyJSONNamed(email, verifyCode, deviceName string) string {
	m := map[string]any{
		"email":       email,
		"verify_code": verifyCode,
		"app_id":      TestAppID,
		"device_type": int(deviceentity.TypeIOS),
		"idfv":        TestIOSIDFV,
	}
	if deviceName != "" {
		m["device_name"] = deviceName
	}
	b, _ := json.Marshal(m)
	return string(b)
}

// LoginBodyJSONWithDevice builds login JSON with explicit identity fields.
func LoginBodyJSONWithDevice(email, verifyCode string, deviceType uint8, idfv, androidID string) string {
	b, _ := json.Marshal(map[string]any{
		"email":       email,
		"verify_code": verifyCode,
		"app_id":      TestAppID,
		"device_type": deviceType,
		"idfv":        idfv,
		"android_id":  androidID,
	})
	return string(b)
}

// LoginBodyJSONAndroid is login with android_id (stable TestAndroidDeviceID).
func LoginBodyJSONAndroid(email, verifyCode string) string {
	return LoginBodyJSONWithDevice(email, verifyCode, uint8(deviceentity.TypeAndroid), "", TestAndroidID)
}