package model

import "encoding/json"

// Client API requests
type ActivateRequest struct {
	LicenseKey         string `json:"license_key"`
	MachineFingerprint string `json:"machine_fingerprint"`
	AppVersion         string `json:"app_version"`
	OS                 string `json:"os"`
	Hostname           string `json:"hostname"`
}

type DeactivateRequest struct {
	LicenseKey         string `json:"license_key"`
	MachineFingerprint string `json:"machine_fingerprint"`
}

type ValidateRequest struct {
	LicenseKey         string `json:"license_key"`
	MachineFingerprint string `json:"machine_fingerprint"`
}

// Client API responses
type ActivateResponse struct {
	License   LicenseData `json:"license"`
	Signature string      `json:"signature"`
}

type LicenseData struct {
	LicenseKey         string          `json:"license_key"`
	Product            string          `json:"product"`
	LicenseType        string          `json:"license_type"`
	IssuedAt           string          `json:"issued_at"`
	ExpiresAt          string          `json:"expires_at"`
	ActivatedAt        string          `json:"activated_at"`
	MachineFingerprint string          `json:"machine_fingerprint"`
	GraceDays          int             `json:"grace_days"`
	Limits             json.RawMessage `json:"limits"`
	Features           json.RawMessage `json:"features"`
	Customer           CustomerData    `json:"customer"`
}

type CustomerData struct {
	Name  string `json:"name"`
	Email string `json:"email"`
}

type ValidateResponse struct {
	Valid     bool   `json:"valid"`
	ExpiresAt string `json:"expires_at"`
	Revoked   bool   `json:"revoked"`
}

type DeactivateResponse struct {
	Message       string `json:"message"`
	CanReactivate bool   `json:"can_reactivate"`
}

type ErrorResponse struct {
	Error ErrorDetail `json:"error"`
}

type ErrorDetail struct {
	Code    string      `json:"code"`
	Message string      `json:"message"`
	Details interface{} `json:"details,omitempty"`
}

// Admin API
type CreateLicenseRequest struct {
	ProductID     int64           `json:"product_id"`
	LicenseType   string          `json:"license_type"`
	CustomerName  string          `json:"customer_name"`
	CustomerPIB   string          `json:"customer_pib"`
	CustomerEmail string          `json:"customer_email"`
	Limits        json.RawMessage `json:"limits"`
	Features      json.RawMessage `json:"features"`
	GraceDays     int             `json:"grace_days"`
	Notes         string          `json:"notes"`
}

type UpdateLicenseRequest struct {
	CustomerName  string          `json:"customer_name"`
	CustomerPIB   string          `json:"customer_pib"`
	CustomerEmail string          `json:"customer_email"`
	Limits        json.RawMessage `json:"limits"`
	Features      json.RawMessage `json:"features"`
	GraceDays     int             `json:"grace_days"`
	ExpiresAt     string          `json:"expires_at"`
	Notes         string          `json:"notes"`
}

type RevokeRequest struct {
	Reason string `json:"reason"`
}

type StatsResponse struct {
	TotalLicenses     int            `json:"total_licenses"`
	ActiveLicenses    int            `json:"active_licenses"`
	ExpiredLicenses   int            `json:"expired_licenses"`
	RevokedLicenses   int            `json:"revoked_licenses"`
	ActiveActivations int            `json:"active_activations"`
	ByProduct         []ProductStats `json:"by_product"`
}

type ProductStats struct {
	ProductCode       string `json:"product_code"`
	ProductName       string `json:"product_name"`
	Total             int    `json:"total"`
	Active            int    `json:"active"`
	Expired           int    `json:"expired"`
	InGrace           int    `json:"in_grace"`
	Trial             int    `json:"trial"`
	ActiveActivations int    `json:"active_activations"`
}