// Package domain defines core business entities and interfaces.
package domain

import "context"

// Lead represents a customer lead with service interest, status, and payment info.
type Lead struct {
	LeadID          int64   `json:"lead_id"`
	ClientID        int64   `json:"client_id"`
	Name            string  `json:"name"`
	PhoneRaw        string  `json:"phone_raw"`
	PhoneNormalized string  `json:"phone_normalized"`
	ServiceInterest string  `json:"service_interest"`
	Status          string  `json:"status"`
	NeedsReview     bool    `json:"needs_review"`
	AppointmentDate string  `json:"appointment_date,omitempty"`
	AppointmentTime string  `json:"appointment_time,omitempty"`
	PaymentStatus   string  `json:"payment_status"`
	PaymentAmount   float64 `json:"payment_amount,omitempty"`
	PaymentDate     string  `json:"payment_date,omitempty"`
	CreatedAt       int64   `json:"created_at"`
	LastContactAt   int64   `json:"last_contact_at"`
}

// LeadRepository defines persistence operations for leads.
type LeadRepository interface {
	// ListAll retrieves all leads for a client, with pagination.
	ListAll(ctx context.Context, clientID int64, limit, offset int) ([]Lead, error)
	// Update saves changes to an existing lead.
	Update(ctx context.Context, lead Lead) error
}