package booking

import (
	"context"
	"log/slog"
	"time"

	"github.com/rjNemo/rentease/internal/config"
	stripeclient "github.com/rjNemo/rentease/internal/driver/stripe"
)

type Store interface {
	All() []*Line
	Search(value string) []*Line
	List(from, to time.Time) ([]*Line, error)
	CardTotal(from, to time.Time) (float64, error)
	Get(id int) *Booking
	Create(b *Booking) error
	Update(b *Booking) error
	Cancel(id int) error

	// Item methods
	CreateItem(i *Item) error
	PayItem(id int) (*Item, error)
	GetItem(id int) (*Item, error)
	UpdateItem(id int, item string, paymentMethod string, paymentStatus string, qty int, price float64) (*Item, error)

	// Payment methods
	CreatePayment(p *Payment) (*Payment, error)
	GetPayment(id int) (*Payment, error)
	UpdatePayment(id int, amount float64, paymentMethod string) (*Payment, error)
	UpsertStripePayment(p *Payment) (*Payment, error)
	FindStripePayment(stripePaymentID string) (*Payment, error)
}

type StripeClient interface {
	ListPayments(ctx context.Context, params stripeclient.ListPaymentsParams) ([]stripeclient.Payment, error)
}

type PdfClient interface {
	BuildInvoice(invoice Invoice) (string, error)
	BuildReport(report ReportData, period string, month, year int) (string, error)
}

type CalendarClient interface {
	Create(calendarID, name, description string, from, to time.Time) error
}

type parserClient interface {
	Parse(rawContent string) (*Booking, error)
}

type Service struct {
	store  Store
	parser parserClient
	pdf    PdfClient
	logger *slog.Logger
	stripe StripeClient
}

func NewService(logger *slog.Logger, store Store, parser parserClient, pdf PdfClient, stripe StripeClient) (*Service, error) {
	svcLogger := logger
	if svcLogger == nil {
		svcLogger = slog.Default()
	}

	return &Service{
		logger: svcLogger.With(slog.String("component", "booking_service")),
		store:  store,
		parser: parser,
		pdf:    pdf,
		stripe: stripe,
	}, nil
}

func (bs Service) All() []*Line {
	bs.logger.Info("fetching all bookings")
	return bs.store.All()
}

func (bs Service) Search(value string) []*Line {
	return bs.store.Search(value)
}

func (bs Service) Create(From time.Time, To time.Time, Name, PhoneNumber, Email, Platform string,
	CustomerNumber int, PlatformFees float64, externalID *string,
) *Booking {
	// TODO: return the error
	b := NewBooking(From, To, Name, PhoneNumber, Email, Platform, CustomerNumber, PlatformFees, externalID)
	err := bs.store.Create(b)
	if err != nil {
		bs.logger.Info("failed to create booking", slog.Any("err", err))
	}
	return b
}

func (bs Service) One(id int) *Booking {
	return bs.store.Get(id)
}

// Update updates an existing booking with new data
func (bs Service) Update(id int, From time.Time, To time.Time, Name string, PhoneNumber string, Email string, Platform string,
	CustomerNumber int, PlatformFees float64, externalID *string,
) *Booking {
	b := NewBooking(From, To, Name, PhoneNumber, Email, Platform, CustomerNumber, PlatformFees, externalID).WithID(id)
	if err := bs.store.Update(b); err != nil {
		bs.logger.Info("failed to create booking", slog.Any("err", err))
	}
	return b
}

func (bs Service) Cancel(id int) {
	err := bs.store.Cancel(id)
	if err != nil {
		bs.logger.Info("failed to create booking", slog.Any("err", err))
	}
}

func (bs Service) BuildInvoice(b *Booking, hc *config.Host) (string, error) {
	return bs.pdf.BuildInvoice(b.ToInvoice(hc))
}