package multitenant

import (
	"time"

	"github.com/google/uuid"
)

// TenantOverview provides a consolidated view of a tenant's compliance status
// including scores, module highlights, and namespace information.
type TenantOverview struct {
	ID              uuid.UUID `json:"id"`
	Name            string    `json:"name"`
	Slug            string    `json:"slug"`
	Status          string    `json:"status"`
	MaxUsers        int       `json:"max_users"`
	LLMQuotaMonthly int       `json:"llm_quota_monthly"`
	ComplianceScore int       `json:"compliance_score"`
	RiskLevel       string    `json:"risk_level"`
	NamespaceCount  int       `json:"namespace_count"`

	// Module highlights
	OpenIncidents int     `json:"open_incidents"`
	OpenReports   int     `json:"open_reports"`   // whistleblower
	PendingDSRs   int     `json:"pending_dsrs"`
	TrainingRate  float64 `json:"training_completion_rate"`
	VendorRiskHigh int    `json:"vendor_risk_high"`

	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`
}

// MultiTenantOverviewResponse wraps the list of tenant overviews with aggregate metrics.
type MultiTenantOverviewResponse struct {
	Tenants      []TenantOverview `json:"tenants"`
	Total        int              `json:"total"`
	AverageScore int              `json:"average_score"`
	GeneratedAt  time.Time        `json:"generated_at"`
}

// CreateTenantRequest represents a request to create a new tenant.
type CreateTenantRequest struct {
	Name            string `json:"name" binding:"required"`
	Slug            string `json:"slug" binding:"required"`
	MaxUsers        int    `json:"max_users"`
	LLMQuotaMonthly int    `json:"llm_quota_monthly"`
}

// UpdateTenantRequest represents a partial update to an existing tenant.
// Pointer fields allow distinguishing between "not provided" and "zero value".
type UpdateTenantRequest struct {
	Name            *string `json:"name"`
	MaxUsers        *int    `json:"max_users"`
	LLMQuotaMonthly *int    `json:"llm_quota_monthly"`
	Status          *string `json:"status"`
}

// CreateNamespaceRequest represents a request to create a new namespace within a tenant.
type CreateNamespaceRequest struct {
	Name               string `json:"name" binding:"required"`
	Slug               string `json:"slug" binding:"required"`
	IsolationLevel     string `json:"isolation_level"`
	DataClassification string `json:"data_classification"`
}

// SwitchTenantRequest represents a request to switch the active tenant context.
type SwitchTenantRequest struct {
	TenantID string `json:"tenant_id" binding:"required"`
}

// SwitchTenantResponse contains the tenant info needed for the frontend to switch context.
type SwitchTenantResponse struct {
	TenantID   uuid.UUID `json:"tenant_id"`
	TenantName string    `json:"tenant_name"`
	TenantSlug string    `json:"tenant_slug"`
	Status     string    `json:"status"`
}