package openplatform

import (
	"encoding/json"
	"time"
)

const (
	StatusNormal = "NORMAL"
	StatusNoData = "NO_DATA"
)

type QueryRequest struct {
	PlateNumbers     []string         `json:"plateNumbers"`
	Date             string           `json:"date"`
	ProtocolPriority ProtocolPriority `json:"protocolPriority,omitempty"`
}

type MileageRangeRequest struct {
	StartDate        string           `json:"startDate"`
	EndDate          string           `json:"endDate"`
	PlateNumbers     []string         `json:"plateNumbers"`
	ProtocolPriority ProtocolPriority `json:"protocolPriority,omitempty"`
	Cursor           string           `json:"cursor"`
	PageSize         int              `json:"pageSize"`
}

type ProtocolPriority struct {
	Values  []string
	Present bool
}

func (p *ProtocolPriority) UnmarshalJSON(data []byte) error {
	p.Present = true
	if string(data) == "null" {
		p.Values = []string{}
		return nil
	}
	var values []string
	if err := json.Unmarshal(data, &values); err != nil {
		return err
	}
	p.Values = values
	return nil
}

type HydrogenResult struct {
	PlateNumber           string   `json:"plateNumber"`
	Date                  string   `json:"date"`
	HydrogenConsumptionKg *float64 `json:"hydrogenConsumptionKg"`
	Status                string   `json:"status"`
}

type MileageResult struct {
	VIN            string   `json:"vin"`
	PlateNumber    string   `json:"plateNumber"`
	Date           string   `json:"date"`
	DailyMileageKm *float64 `json:"dailyMileageKm"`
	TotalMileageKm *float64 `json:"totalMileageKm"`
	DataTime       *string  `json:"dataTime"`
	UpdatedAt      *string  `json:"updatedAt"`
	SourceProtocol *string  `json:"sourceProtocol"`
	Status         string   `json:"status"`
}

type MileageRangeResult struct {
	VIN            string   `json:"vin"`
	PlateNumber    string   `json:"plateNumber"`
	Date           string   `json:"date"`
	DailyMileageKm *float64 `json:"dailyMileageKm"`
	TotalMileageKm *float64 `json:"totalMileageKm"`
	DataTime       *string  `json:"dataTime"`
	UpdatedAt      *string  `json:"updatedAt"`
	SourceProtocol *string  `json:"sourceProtocol"`
	Status         string   `json:"status"`
}

type TotalMileageQueryRequest struct {
	VIN      string `json:"vin"`
	Time     string `json:"time"`
	Protocol string `json:"protocol,omitempty"`
}

type TotalMileageResult struct {
	VIN                   string   `json:"vin"`
	QueryTime             string   `json:"queryTime"`
	TotalMileageKm        *float64 `json:"totalMileageKm"`
	Protocol              string   `json:"protocol,omitempty"`
	ProtocolInput         string   `json:"protocolInput,omitempty"`
	MileageMeaning        string   `json:"mileageMeaning,omitempty"`
	RecordTime            string   `json:"recordTime,omitempty"`
	TimeDifferenceSeconds *int64   `json:"timeDifferenceSeconds,omitempty"`
	SelectionPolicy       string   `json:"selectionPolicy"`
	Status                string   `json:"status"`
}

type TotalMileagePoint struct {
	VIN            string
	Protocol       string
	ObservedAt     time.Time
	TotalMileageKm float64
}

type RealtimeVehicleRequest struct {
	PlateNumbers []string `json:"plateNumbers,omitempty"`
}

type RealtimeVehiclePoint struct {
	VIN            string
	Protocol       string
	Longitude      float64
	Latitude       float64
	SpeedKmh       float64
	TotalMileageKm float64
	ObservedAt     time.Time
}

type RealtimeVehicleResult struct {
	VIN                   string   `json:"vin"`
	PlateNumber           string   `json:"plateNumber"`
	Protocol              string   `json:"protocol,omitempty"`
	Longitude             *float64 `json:"longitude"`
	Latitude              *float64 `json:"latitude"`
	SpeedKmh              *float64 `json:"speedKmh"`
	TotalMileageKm        *float64 `json:"totalMileageKm"`
	RecordTime            string   `json:"recordTime,omitempty"`
	TimeDifferenceSeconds *int64   `json:"timeDifferenceSeconds,omitempty"`
	Online                bool     `json:"online"`
	MotionStatus          string   `json:"motionStatus"`
	LocationAvailable     bool     `json:"locationAvailable"`
	Status                string   `json:"status"`
}

type HydrogenStationRequest struct {
	Province      string `json:"province,omitempty"`
	City          string `json:"city,omitempty"`
	CooperateOnly *bool  `json:"cooperateOnly,omitempty"`
}

type HydrogenStation struct {
	ID          string  `json:"id"`
	Name        string  `json:"name"`
	ShortName   string  `json:"shortName,omitempty"`
	Address     string  `json:"address,omitempty"`
	Longitude   float64 `json:"longitude"`
	Latitude    float64 `json:"latitude"`
	Province    string  `json:"province,omitempty"`
	City        string  `json:"city,omitempty"`
	District    string  `json:"district,omitempty"`
	Cooperative bool    `json:"cooperative"`
}

type ExternalResponse struct {
	Code    string `json:"code"`
	Message string `json:"message"`
	Data    any    `json:"data,omitempty"`
	TraceID string `json:"traceId"`
}

type MileageRangeResponse struct {
	Code       string               `json:"code"`
	Message    string               `json:"message"`
	Data       []MileageRangeResult `json:"data"`
	SnapshotID string               `json:"snapshotId"`
	NextCursor *string              `json:"nextCursor"`
	TraceID    string               `json:"traceId"`
}

type App struct {
	ID           uint64     `json:"id"`
	Name         string     `json:"name"`
	AppKeyPrefix string     `json:"appKeyPrefix"`
	Status       string     `json:"status"`
	ValidFrom    time.Time  `json:"validFrom"`
	ValidTo      *time.Time `json:"validTo,omitempty"`
	CreatedBy    string     `json:"createdBy"`
	CreatedAt    time.Time  `json:"createdAt"`
	UpdatedAt    time.Time  `json:"updatedAt"`
}

type AppCreated struct {
	App
	AppKey string `json:"appKey"`
}

type AppInput struct {
	Name      string `json:"name"`
	Status    string `json:"status"`
	ValidFrom string `json:"validFrom"`
	ValidTo   string `json:"validTo"`
}

type VehicleGrantInput struct {
	VIN       string `json:"vin"`
	ValidFrom string `json:"validFrom"`
	ValidTo   string `json:"validTo"`
}

type VehicleGrantRequest struct {
	Vehicles []VehicleGrantInput `json:"vehicles"`
}

type VehicleGrant struct {
	VIN       string     `json:"vin"`
	Plate     string     `json:"plate"`
	ValidFrom time.Time  `json:"validFrom"`
	ValidTo   *time.Time `json:"validTo,omitempty"`
	GrantedBy string     `json:"grantedBy"`
	UpdatedAt time.Time  `json:"updatedAt"`
}

type VehicleCatalogItem struct {
	VIN    string `json:"vin"`
	Plate  string `json:"plate"`
	OEM    string `json:"oem"`
	Status string `json:"status"`
	Source string `json:"source"`
}

type AuthorizedVehicle struct {
	VIN   string
	Plate string
}

type AppCredential struct {
	ID   uint64
	Name string
}

type DailyHydrogen struct {
	VIN           string
	Date          string
	ConsumptionKg float64
	SampleCount   int
	QualityStatus string
}

type DailyMileage struct {
	VIN            string
	Date           string
	Protocol       string
	MileageKm      float64
	TotalMileageKm float64
	DataTime       string
	UpdatedAt      string
}

type MileageSnapshot struct {
	ID           string
	AppID        uint64
	RequestHash  []byte
	StartDate    string
	EndDate      string
	VehicleCount int
	ExpiresAt    time.Time
	Vehicles     []AuthorizedVehicle
}

type HydrogenObservation struct {
	VIN               string
	Source            string
	ObservedAt        time.Time
	MassKg            float64
	TankCapacityLiter float64
	PressureMPa       float64
	TemperatureC      float64
	NoiseKg           float64
	RefuelThresholdKg float64
}

type HydrogenRateObservation struct {
	VIN        string
	Source     string
	ObservedAt time.Time
	Rate       float64
	MileageKm  float64
}

type HydrogenRateDailyStat struct {
	VIN           string
	Source        string
	Date          string
	ConsumptionKg float64
	SampleCount   int
	QualityStatus string
	QualityReason string
}

type HydrogenDailyStat struct {
	VIN           string
	Source        string
	Date          string
	ConsumptionKg float64
	FirstMassKg   float64
	LastMassKg    float64
	SampleCount   int
	RefuelCount   int
	QualityStatus string
	QualityReason string
}

type PortalUser struct {
	ID          uint64     `json:"id"`
	Username    string     `json:"username"`
	DisplayName string     `json:"displayName"`
	Status      string     `json:"status"`
	ValidFrom   time.Time  `json:"validFrom"`
	ValidTo     *time.Time `json:"validTo,omitempty"`
	LastLoginAt *time.Time `json:"lastLoginAt,omitempty"`
	CreatedBy   string     `json:"createdBy"`
	CreatedAt   time.Time  `json:"createdAt"`
	UpdatedAt   time.Time  `json:"updatedAt"`
}

type PortalUserInput struct {
	Username    string `json:"username"`
	DisplayName string `json:"displayName"`
	Password    string `json:"password"`
	Status      string `json:"status"`
	ValidFrom   string `json:"validFrom"`
	ValidTo     string `json:"validTo"`
}

type PortalUserAppInput struct {
	AppID uint64 `json:"appId"`
	Role  string `json:"role"`
}

type PortalUserAppRequest struct {
	Apps []PortalUserAppInput `json:"apps"`
}

type PortalUserApp struct {
	AppID        uint64     `json:"appId"`
	AppName      string     `json:"appName"`
	AppKeyPrefix string     `json:"appKeyPrefix"`
	AppStatus    string     `json:"appStatus"`
	Role         string     `json:"role"`
	ValidFrom    time.Time  `json:"validFrom"`
	ValidTo      *time.Time `json:"validTo,omitempty"`
}

type PortalSession struct {
	UserID      uint64    `json:"userId"`
	Username    string    `json:"username"`
	DisplayName string    `json:"displayName"`
	UserType    string    `json:"userType"`
	ExpiresAt   time.Time `json:"expiresAt"`
}

type PortalLoginResponse struct {
	AccessToken string        `json:"accessToken"`
	ExpiresAt   time.Time     `json:"expiresAt"`
	Session     PortalSession `json:"session"`
}

type PortalLoginRequest struct {
	Username string `json:"username"`
	Password string `json:"password"`
}

type PortalAuditItem struct {
	TraceID      string    `json:"traceId"`
	Endpoint     string    `json:"endpoint"`
	Result       string    `json:"result"`
	VehicleCount int       `json:"vehicleCount"`
	CreatedAt    time.Time `json:"createdAt"`
}

type DataProduct struct {
	Code        string `json:"code"`
	Name        string `json:"name"`
	Description string `json:"description"`
	Version     string `json:"version"`
	Status      string `json:"status"`
	Method      string `json:"method"`
	Path        string `json:"path"`
	Unit        string `json:"unit"`
}