package banking

import (
	"context"
	"time"

	"github.com/explorer/virtual-banker/backend/tools"
)

// ScheduleAppointmentTool schedules an appointment
type ScheduleAppointmentTool struct{}

// NewScheduleAppointmentTool creates a new schedule appointment tool
func NewScheduleAppointmentTool() *ScheduleAppointmentTool {
	return &ScheduleAppointmentTool{}
}

// Name returns the tool name
func (t *ScheduleAppointmentTool) Name() string {
	return "schedule_appointment"
}

// Description returns the tool description
func (t *ScheduleAppointmentTool) Description() string {
	return "Schedule an appointment with a bank representative"
}

// Execute executes the tool
func (t *ScheduleAppointmentTool) Execute(ctx context.Context, params map[string]interface{}) (*tools.ToolResult, error) {
	datetime, _ := params["datetime"].(string)
	reason, _ := params["reason"].(string)

	if datetime == "" {
		return &tools.ToolResult{
			Success: false,
			Error:   "datetime is required",
		}, nil
	}

	// Parse datetime
	_, err := time.Parse(time.RFC3339, datetime)
	if err != nil {
		return &tools.ToolResult{
			Success: false,
			Error:   "invalid datetime format (use RFC3339)",
		}, nil
	}

	// TODO: Call backend/banking/ service to schedule appointment
	// For now, return mock data
	return &tools.ToolResult{
		Success: true,
		Data: map[string]interface{}{
			"appointment_id": "APT-67890",
			"datetime":       datetime,
			"reason":         reason,
			"status":         "scheduled",
		},
		RequiresConfirmation: true, // Appointments require confirmation
	}, nil
}