//go:build debug

package main

import (
	"C"
	"fmt"
	"time"
	"unsafe"

	"github.com/uhppoted/uhppote-core/types"
	"github.com/uhppoted/uhppote-core/uhppote"
)

func getCards(uu uhppote.IUHPPOTE, N *C.int, deviceID uint32) error {
	if N == nil {
		return fmt.Errorf("invalid argument (N) - expected valid pointer")
	}

	fmt.Printf(">>> get-cards\n")
	fmt.Printf("    ID: %v\n", deviceID)
	fmt.Println()

	*N = C.int(39)

	return nil
}

func getCard(uu uhppote.IUHPPOTE, card *C.struct_Card, deviceID uint32, cardNumber uint32) error {
	if card == nil {
		return fmt.Errorf("invalid argument (card) - expected valid pointer")
	}

	if DEBUG {
		fmt.Printf(">>> get-card\n")
		fmt.Printf("    ID:   %v\n", deviceID)
		fmt.Printf("    card: %v\n", cardNumber)
		fmt.Println()
	}

	card.card_number = C.uint(8165538)
	card.from = C.CString("2022-01-01")
	card.to = C.CString("2022-12-31")

	doors := unsafe.Slice(card.doors, 4)

	doors[0] = 0
	doors[1] = 1
	doors[2] = 31
	doors[3] = 75

	return nil
}

func getCardByIndex(uu uhppote.IUHPPOTE, card *C.struct_Card, deviceID uint32, index uint32) error {
	if card == nil {
		return fmt.Errorf("invalid argument (card) - expected valid pointer")
	}

	if DEBUG {
		fmt.Printf(">>> get-card-by-index\n")
		fmt.Printf("    ID:    %v\n", deviceID)
		fmt.Printf("    index: %v\n", index)
		fmt.Println()
	}

	card.card_number = C.uint(8165538)
	card.from = C.CString("2022-01-01")
	card.to = C.CString("2022-12-31")

	doors := unsafe.Slice(card.doors, 4)

	doors[0] = 0
	doors[1] = 1
	doors[2] = 31
	doors[3] = 75

	return nil
}

func putCard(uu uhppote.IUHPPOTE, deviceID uint32, cardNumber uint32, from, to *C.char, doors *uint8) error {
	_from, err := time.Parse("2006-01-02", C.GoString(from))
	if err != nil {
		return fmt.Errorf("Invalid 'from' date (%v)", err)
	}

	_to, err := time.Parse("2006-01-02", C.GoString(to))
	if err != nil {
		return fmt.Errorf("Invalid 'to' date (%v)", err)
	}

	if doors == nil {
		return fmt.Errorf("invalid argument (doors) - expected valid pointer")
	}

	_doors := C.GoBytes(unsafe.Pointer(doors), 4)

	if DEBUG {
		fmt.Printf(">>> put-card\n")
		fmt.Printf("    ID:            %v\n", deviceID)
		fmt.Printf("    card number:   %v\n", cardNumber)
		fmt.Printf("         from:     %v\n", types.Date(_from))
		fmt.Printf("         to:       %v\n", types.Date(_to))
		fmt.Printf("         doors[1]: %v\n", int(_doors[0]))
		fmt.Printf("         doors[2]: %v\n", int(_doors[1]))
		fmt.Printf("         doors[3]: %v\n", int(_doors[2]))
		fmt.Printf("         doors[4]: %v\n", int(_doors[3]))
		fmt.Println()
	}

	return nil
}

func deleteCard(uu uhppote.IUHPPOTE, deviceID uint32, cardNumber uint32) error {
	if DEBUG {
		fmt.Printf(">>> delete-card\n")
		fmt.Printf("    ID:   %v\n", deviceID)
		fmt.Printf("    card: %v\n", cardNumber)
		fmt.Println()
	}

	return nil
}

func deleteCards(uu uhppote.IUHPPOTE, deviceID uint32) error {
	if DEBUG {
		fmt.Printf(">>> delete-cards\n")
		fmt.Printf("    ID:   %v\n", deviceID)
		fmt.Println()
	}

	return nil
}