//go:build test
// +build test

package admin

import (
	"context"
	"encoding/json"
	"net/http"
	"testing"

	"crussell/db"
	"crussell/handlers/notifications"
	"crussell/handlers/today"
	"crussell/mw"
)

func TestAdminToday_CurrentNext(t *testing.T) {
	cleanup := setupTestDB(t)
	defer cleanup()

	// Create test user
	var userID string
	err := db.DB.QueryRow(context.Background(), `
		INSERT INTO users (n_first_name, n_last_name, email, phone, date_of_birth, password_hash, account_role, account_type)
		VALUES ('Test', 'User', 'testuser@test.com', '+1234567890', '1990-01-01', 'hash', 'verified_email', 'email')
		RETURNING id
	`).Scan(&userID)
	if err != nil {
		t.Fatalf("failed to create user: %v", err)
	}

	// Create service
	var serviceID string
	err = db.DB.QueryRow(context.Background(), `
		INSERT INTO services (name, description, price, duration_minutes, is_active)
		VALUES ('Manicure', 'Basic manicure', 25.00, 30, true)
		RETURNING id
	`).Scan(&serviceID)
	if err != nil {
		t.Fatalf("failed to create service: %v", err)
	}

	// Create booking for today (in_progress)
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO bookings (user_id, start_time, status, created_at)
		VALUES ($1, NOW(), 'in_progress', NOW())
	`, userID)
	if err != nil {
		t.Fatalf("failed to create booking: %v", err)
	}

	// Get the booking ID
	var bookingID string
	err = db.DB.QueryRow(context.Background(), `
		SELECT id FROM bookings WHERE user_id = $1 ORDER BY created_at DESC LIMIT 1
	`, userID).Scan(&bookingID)
	if err != nil {
		t.Fatalf("failed to get booking ID: %v", err)
	}

	// Add service to booking
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO booking_services (booking_id, service_id)
		VALUES ($1, $2)
	`, bookingID, serviceID)
	if err != nil {
		t.Fatalf("failed to add service to booking: %v", err)
	}

	handler := http.HandlerFunc(today.GetCurrentAndNextHandler)
	w := makeAdminRequest(handler, "GET", "/api/admin/today/current-next", nil)

	if w.Code != http.StatusOK {
		t.Errorf("expected status 200, got %d. body: %s", w.Code, w.Body.String())
	}

	var response today.CurrentNextResponse
	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
		t.Fatalf("failed to unmarshal response: %v", err)
	}

	if response.Current == nil {
		t.Errorf("expected current appointment, got nil")
	}

	if response.Current != nil && response.Current.ID != bookingID {
		t.Errorf("expected booking ID %s, got %s", bookingID, response.Current.ID)
	}
}

func TestAdminToday_Appointments(t *testing.T) {
	cleanup := setupTestDB(t)
	defer cleanup()

	// Create test user
	var userID string
	err := db.DB.QueryRow(context.Background(), `
		INSERT INTO users (n_first_name, n_last_name, email, phone, date_of_birth, password_hash, account_role, account_type)
		VALUES ('Test', 'User', 'testuser@test.com', '+1234567890', '1990-01-01', 'hash', 'verified_email', 'email')
		RETURNING id
	`).Scan(&userID)
	if err != nil {
		t.Fatalf("failed to create user: %v", err)
	}

	// Create service
	var serviceID string
	err = db.DB.QueryRow(context.Background(), `
		INSERT INTO services (name, description, price, duration_minutes, is_active)
		VALUES ('Manicure', 'Basic manicure', 25.00, 30, true)
		RETURNING id
	`).Scan(&serviceID)
	if err != nil {
		t.Fatalf("failed to create service: %v", err)
	}

	// Create booking for today
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO bookings (user_id, start_time, status, created_at)
		VALUES ($1, NOW(), 'confirmed', NOW())
	`, userID)
	if err != nil {
		t.Fatalf("failed to create booking: %v", err)
	}

	// Get the booking ID
	var bookingID string
	err = db.DB.QueryRow(context.Background(), `
		SELECT id FROM bookings WHERE user_id = $1 ORDER BY created_at DESC LIMIT 1
	`, userID).Scan(&bookingID)
	if err != nil {
		t.Fatalf("failed to get booking ID: %v", err)
	}

	// Add service to booking
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO booking_services (booking_id, service_id)
		VALUES ($1, $2)
	`, bookingID, serviceID)
	if err != nil {
		t.Fatalf("failed to add service to booking: %v", err)
	}

	handler := http.HandlerFunc(today.GetTodayAppointmentsHandler)
	w := makeAdminRequest(handler, "GET", "/api/admin/today/appointments", nil)

	if w.Code != http.StatusOK {
		t.Errorf("expected status 200, got %d. body: %s", w.Code, w.Body.String())
	}

	var response today.TodayAppointmentsResponse
	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
		t.Fatalf("failed to unmarshal response: %v", err)
	}

	if len(response.Appointments) != 1 {
		t.Errorf("expected 1 appointment, got %d", len(response.Appointments))
	}

	if len(response.Appointments) > 0 && response.Appointments[0].ID != bookingID {
		t.Errorf("expected booking ID %s, got %s", bookingID, response.Appointments[0].ID)
	}
}

func TestAdminToday_PendingApprovals(t *testing.T) {
	cleanup := setupTestDB(t)
	defer cleanup()

	// Create test user
	var userID string
	err := db.DB.QueryRow(context.Background(), `
		INSERT INTO users (n_first_name, n_last_name, email, phone, date_of_birth, password_hash, account_role, account_type)
		VALUES ('Test', 'User', 'testuser@test.com', '+1234567890', '1990-01-01', 'hash', 'verified_email', 'email')
		RETURNING id
	`).Scan(&userID)
	if err != nil {
		t.Fatalf("failed to create user: %v", err)
	}

	// Create service
	var serviceID string
	err = db.DB.QueryRow(context.Background(), `
		INSERT INTO services (name, description, price, duration_minutes, is_active)
		VALUES ('Manicure', 'Basic manicure', 25.00, 30, true)
		RETURNING id
	`).Scan(&serviceID)
	if err != nil {
		t.Fatalf("failed to create service: %v", err)
	}

	// Create pending booking
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO bookings (user_id, start_time, status, created_at)
		VALUES ($1, NOW() + INTERVAL '1 day', 'pending', NOW())
	`, userID)
	if err != nil {
		t.Fatalf("failed to create booking: %v", err)
	}

	// Get the booking ID
	var bookingID string
	err = db.DB.QueryRow(context.Background(), `
		SELECT id FROM bookings WHERE user_id = $1 ORDER BY created_at DESC LIMIT 1
	`, userID).Scan(&bookingID)
	if err != nil {
		t.Fatalf("failed to get booking ID: %v", err)
	}

	// Add service to booking
	_, err = db.DB.Exec(context.Background(), `
		INSERT INTO booking_services (booking_id, service_id)
		VALUES ($1, $2)
	`, bookingID, serviceID)
	if err != nil {
		t.Fatalf("failed to add service to booking: %v", err)
	}

	handler := http.HandlerFunc(today.GetPendingApprovalsHandler)
	w := makeAdminRequest(handler, "GET", "/api/admin/today/pending-approvals", nil)

	if w.Code != http.StatusOK {
		t.Errorf("expected status 200, got %d. body: %s", w.Code, w.Body.String())
	}

	var response today.PendingApprovalsResponse
	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
		t.Fatalf("failed to unmarshal response: %v", err)
	}

	if len(response.Approvals) != 1 {
		t.Errorf("expected 1 pending approval, got %d", len(response.Approvals))
	}

	if len(response.Approvals) > 0 && response.Approvals[0].ID != bookingID {
		t.Errorf("expected booking ID %s, got %s", bookingID, response.Approvals[0].ID)
	}
}

func TestAdminNotifications_List(t *testing.T) {
	t.Skip("Skipping - WIP handler")
}

func TestAdminNotifications_Acknowledge(t *testing.T) {
	t.Skip("Skipping - WIP handler")
}

func TestAdminToday_NonAdmin(t *testing.T) {
	cleanup := setupTestDB(t)
	defer cleanup()

	// Test current-next endpoint
	currentNextHandler := mw.RequireAdmin(http.HandlerFunc(today.GetCurrentAndNextHandler))
	w := makeUserRequest(currentNextHandler, "GET", "/api/admin/today/current-next", nil)
	if w.Code != http.StatusForbidden {
		t.Errorf("CurrentNext: expected status 403, got %d", w.Code)
	}

	// Test appointments endpoint
	appointmentsHandler := mw.RequireAdmin(http.HandlerFunc(today.GetTodayAppointmentsHandler))
	w = makeUserRequest(appointmentsHandler, "GET", "/api/admin/today/appointments", nil)
	if w.Code != http.StatusForbidden {
		t.Errorf("Appointments: expected status 403, got %d", w.Code)
	}

	// Test pending-approvals endpoint
	pendingApprovalsHandler := mw.RequireAdmin(http.HandlerFunc(today.GetPendingApprovalsHandler))
	w = makeUserRequest(pendingApprovalsHandler, "GET", "/api/admin/today/pending-approvals", nil)
	if w.Code != http.StatusForbidden {
		t.Errorf("PendingApprovals: expected status 403, got %d", w.Code)
	}

	// Test notifications list endpoint
	notificationsHandler := mw.RequireAdmin(http.HandlerFunc(notifications.GetNotifications))
	w = makeUserRequest(notificationsHandler, "GET", "/api/admin/notifications", nil)
	if w.Code != http.StatusForbidden {
		t.Errorf("Notifications List: expected status 403, got %d", w.Code)
	}

	// Test notifications acknowledge endpoint
	ackHandler := mw.RequireAdmin(http.HandlerFunc(notifications.AcknowledgeNotification))
	w = makeUserRequest(ackHandler, "POST", "/api/admin/notifications/1/acknowledge", nil)
	if w.Code != http.StatusForbidden {
		t.Errorf("Notifications Acknowledge: expected status 403, got %d", w.Code)
	}
}