package res

import (
	"time"

	"github.com/google/uuid"
)

// Cable Connection Response
type CableConnectionResponse struct {
	ID               uuid.UUID  `json:"id"`
	FromDeviceID     uuid.UUID  `json:"from_device_id"`
	ToDeviceID       uuid.UUID  `json:"to_device_id"`
	CableLength      float64    `json:"cable_length"`
	CableType        string     `json:"cable_type"`
	BranchingType    *string    `json:"branching_type,omitempty"`
	InstallationDate *time.Time `json:"installation_date,omitempty"`
	Status           string     `json:"status"`
	StatusColor      string     `json:"status_color"`
	CreatedAt        time.Time  `json:"created_at"`
	UpdatedAt        time.Time  `json:"updated_at"`

	// Device Information
	FromDevice *CableDeviceInfo `json:"from_device,omitempty"`
	ToDevice   *CableDeviceInfo `json:"to_device,omitempty"`

	// Calculated Fields
	RouteEfficiency *float64 `json:"route_efficiency,omitempty"` // Percentage
	EstimatedCost   *float64 `json:"estimated_cost,omitempty"`
	MaintenanceDue  *bool    `json:"maintenance_due,omitempty"`
	QualityScore    *float64 `json:"quality_score,omitempty"`
}

type CableDeviceInfo struct {
	ID         uuid.UUID `json:"id"`
	DeviceCode string    `json:"device_code"`
	DeviceType string    `json:"device_type"`
	Latitude   float64   `json:"latitude"`
	Longitude  float64   `json:"longitude"`
	Province   *string   `json:"province,omitempty"`
	City       *string   `json:"city,omitempty"`
}

// Cable Length Distribution Response
type CableLengthDistributionResponse struct {
	Under100m        int     `json:"under_100m"`
	From100To500m    int     `json:"from_100_500m"`
	From500To1000m   int     `json:"from_500_1000m"`
	From1To5km       int     `json:"from_1_5km"`
	Above5km         int     `json:"above_5km"`
	AverageLength    float64 `json:"average_length"`
	MinLength        float64 `json:"min_length"`
	MaxLength        float64 `json:"max_length"`
	TotalConnections int     `json:"total_connections"`
}

// Cable Type Analytics Response
type CableTypeAnalyticsResponse struct {
	TypeStats        []CableTypeStats `json:"type_stats"`
	TotalConnections int              `json:"total_connections"`
	TotalLength      float64          `json:"total_length"`
	MostUsedType     string           `json:"most_used_type"`
	LeastUsedType    string           `json:"least_used_type"`
}

type CableTypeStats struct {
	CableType     string  `json:"cable_type"`
	Count         int     `json:"count"`
	AverageLength float64 `json:"average_length"`
	TotalLength   float64 `json:"total_length"`
	Percentage    float64 `json:"percentage"`
}

// Cable Status Summary Response
type CableStatusSummaryResponse struct {
	StatusStats      []CableStatusStats `json:"status_stats"`
	TotalConnections int                `json:"total_connections"`
	HealthScore      float64            `json:"health_score"` // 0-100
}

type CableStatusStats struct {
	Status     string  `json:"status"`
	Count      int     `json:"count"`
	Percentage float64 `json:"percentage"`
}

// Optimal Route Response
type OptimalRouteResponse struct {
	FromDeviceID           uuid.UUID                 `json:"from_device_id"`
	ToDeviceID             uuid.UUID                 `json:"to_device_id"`
	DirectDistance         float64                   `json:"direct_distance"`
	RecommendedCableLength float64                   `json:"recommended_cable_length"`
	ExistingConnections    []RouteConnectionResponse `json:"existing_connections"`
	AlternativeRoutes      []AlternativeRoute        `json:"alternative_routes,omitempty"`
	Recommendations        []string                  `json:"recommendations"`
	EstimatedCost          *float64                  `json:"estimated_cost,omitempty"`
	ComplexityScore        float64                   `json:"complexity_score"` // 1-10
}

type RouteConnectionResponse struct {
	ID           uuid.UUID `json:"id"`
	FromDeviceID uuid.UUID `json:"from_device_id"`
	ToDeviceID   uuid.UUID `json:"to_device_id"`
	CableLength  float64   `json:"cable_length"`
	CableType    string    `json:"cable_type"`
	Status       string    `json:"status"`
	HopCount     int       `json:"hop_count"`
	TotalLength  float64   `json:"total_length"`
}

type AlternativeRoute struct {
	RouteID          string                    `json:"route_id"`
	Path             []RouteConnectionResponse `json:"path"`
	TotalLength      float64                   `json:"total_length"`
	HopCount         int                       `json:"hop_count"`
	EstimatedCost    *float64                  `json:"estimated_cost,omitempty"`
	ReliabilityScore float64                   `json:"reliability_score"` // 0-100
	Recommendations  []string                  `json:"recommendations"`
}

// Cable Path Response
type CablePathResponse struct {
	FromDeviceID   uuid.UUID     `json:"from_device_id"`
	ToDeviceID     uuid.UUID     `json:"to_device_id"`
	TotalLength    float64       `json:"total_length"`
	HopCount       int           `json:"hop_count"`
	ConnectionPath []uuid.UUID   `json:"connection_path"`
	PathDetails    []PathSegment `json:"path_details"`
	IsComplete     bool          `json:"is_complete"`
	QualityScore   *float64      `json:"quality_score,omitempty"`
}

type PathSegment struct {
	ConnectionID uuid.UUID       `json:"connection_id"`
	FromDevice   CableDeviceInfo `json:"from_device"`
	ToDevice     CableDeviceInfo `json:"to_device"`
	CableLength  float64         `json:"cable_length"`
	CableType    string          `json:"cable_type"`
	Status       string          `json:"status"`
	SignalLoss   *float64        `json:"signal_loss,omitempty"`
	SegmentOrder int             `json:"segment_order"`
}

// Network Map Response
type NetworkMapResponse struct {
	Connections []NetworkMapConnection `json:"connections"`
	Stats       NetworkMapStats        `json:"stats"`
	Bounds      *CableMapBounds        `json:"bounds,omitempty"`
}

type NetworkMapConnection struct {
	ID             uuid.UUID `json:"id"`
	FromDeviceID   uuid.UUID `json:"from_device_id"`
	ToDeviceID     uuid.UUID `json:"to_device_id"`
	CableLength    float64   `json:"cable_length"`
	CableType      string    `json:"cable_type"`
	Status         string    `json:"status"`
	FromDeviceCode string    `json:"from_device_code"`
	FromDeviceType string    `json:"from_device_type"`
	FromLatitude   float64   `json:"from_latitude"`
	FromLongitude  float64   `json:"from_longitude"`
	ToDeviceCode   string    `json:"to_device_code"`
	ToDeviceType   string    `json:"to_device_type"`
	ToLatitude     float64   `json:"to_latitude"`
	ToLongitude    float64   `json:"to_longitude"`
}

type NetworkMapStats struct {
	TotalConnections int     `json:"total_connections"`
	AverageLength    float64 `json:"average_length"`
	TotalLength      float64 `json:"total_length"`
	UniqueDevices    int     `json:"unique_devices"`
}

type CableMapBounds struct {
	NorthEast CableCoordinate `json:"north_east"`
	SouthWest CableCoordinate `json:"south_west"`
}

type CableCoordinate struct {
	Latitude  float64 `json:"latitude"`
	Longitude float64 `json:"longitude"`
}

// Maintenance Response
type MaintenanceItemResponse struct {
	ID                    uuid.UUID  `json:"id"`
	FromDeviceID          uuid.UUID  `json:"from_device_id"`
	ToDeviceID            uuid.UUID  `json:"to_device_id"`
	CableLength           float64    `json:"cable_length"`
	CableType             string     `json:"cable_type"`
	InstallationDate      *time.Time `json:"installation_date,omitempty"`
	Status                string     `json:"status"`
	FromDeviceCode        string     `json:"from_device_code"`
	ToDeviceCode          string     `json:"to_device_code"`
	DaysSinceInstallation int        `json:"days_since_installation"`
	MaintenancePriority   string     `json:"maintenance_priority"`
	RecommendedAction     string     `json:"recommended_action"`
}

// Cable Analysis Response
type CableAnalysisResponse struct {
	ConnectionID      *uuid.UUID                `json:"connection_id,omitempty"`
	AnalysisType      string                    `json:"analysis_type"`
	OverallScore      float64                   `json:"overall_score"` // 0-100
	SignalQuality     *SignalQualityMetrics     `json:"signal_quality,omitempty"`
	RouteOptimization *RouteOptimizationMetrics `json:"route_optimization,omitempty"`
	CostAnalysis      *CostAnalysisMetrics      `json:"cost_analysis,omitempty"`
	Recommendations   []string                  `json:"recommendations"`
	Warnings          []string                  `json:"warnings,omitempty"`
	Alternatives      []AlternativeRoute        `json:"alternatives,omitempty"`
	GeneratedAt       time.Time                 `json:"generated_at"`
}

type SignalQualityMetrics struct {
	SignalLoss     float64  `json:"signal_loss"`
	OpticalPower   float64  `json:"optical_power"`
	SNR            *float64 `json:"snr,omitempty"`
	QualityGrade   string   `json:"quality_grade"` // A, B, C, D, F
	IsWithinLimits bool     `json:"is_within_limits"`
}

type RouteOptimizationMetrics struct {
	DirectDistance    float64  `json:"direct_distance"`
	ActualCableLength float64  `json:"actual_cable_length"`
	EfficiencyRatio   float64  `json:"efficiency_ratio"`
	OptimalPathExists bool     `json:"optimal_path_exists"`
	PotentialSavings  *float64 `json:"potential_savings,omitempty"`
}

type CostAnalysisMetrics struct {
	MaterialCost     float64 `json:"material_cost"`
	InstallationCost float64 `json:"installation_cost"`
	MaintenanceCost  float64 `json:"maintenance_cost"`
	TotalCost        float64 `json:"total_cost"`
	CostPerMeter     float64 `json:"cost_per_meter"`
	CostEfficiency   string  `json:"cost_efficiency"` // excellent, good, fair, poor
}

// Network Health Response
type NetworkHealthResponse struct {
	OverallHealth    float64               `json:"overall_health"` // 0-100
	TotalConnections int                   `json:"total_connections"`
	HealthByType     []TypeHealthMetrics   `json:"health_by_type"`
	HealthByRegion   []RegionHealthMetrics `json:"health_by_region"`
	CriticalIssues   []HealthIssue         `json:"critical_issues"`
	Recommendations  []string              `json:"recommendations"`
	LastUpdated      time.Time             `json:"last_updated"`
}

type TypeHealthMetrics struct {
	CableType        string  `json:"cable_type"`
	HealthScore      float64 `json:"health_score"`
	TotalConnections int     `json:"total_connections"`
	IssueCount       int     `json:"issue_count"`
}

type RegionHealthMetrics struct {
	Region           string  `json:"region"`
	HealthScore      float64 `json:"health_score"`
	TotalConnections int     `json:"total_connections"`
	IssueCount       int     `json:"issue_count"`
}

type HealthIssue struct {
	ConnectionID      uuid.UUID `json:"connection_id"`
	IssueType         string    `json:"issue_type"`
	Severity          string    `json:"severity"`
	Description       string    `json:"description"`
	RecommendedAction string    `json:"recommended_action"`
	DetectedAt        time.Time `json:"detected_at"`
}

// Bulk Operation Response
type BulkOperationResponse struct {
	TotalRequested int                       `json:"total_requested"`
	Successful     int                       `json:"successful"`
	Failed         int                       `json:"failed"`
	Errors         []BulkOperationError      `json:"errors,omitempty"`
	Results        []CableConnectionResponse `json:"results,omitempty"`
	ExecutionTime  string                    `json:"execution_time"`
}

type BulkOperationError struct {
	Index   int    `json:"index"`
	Error   string `json:"error"`
	Details string `json:"details,omitempty"`
}