package notion

import (
	"context"

	"github.com/jomei/notionapi"
)

var client *notionapi.Client
var authToken string

func Init(token string) {
	authToken = token
	client = notionapi.NewClient(notionapi.Token(token))
}

func GetClient() *notionapi.Client {
	return client
}

func AGetBlock(blockId string) chan struct {
	Block notionapi.Block
	Error error
} {
	retval := make(chan struct {
		Block notionapi.Block
		Error error
	})
	go func() {
		block, err := client.Block.Get(context.Background(), notionapi.BlockID(blockId))
		retval <- struct {
			Block notionapi.Block
			Error error
		}{block, err}
	}()
	return retval
}

func AGetBlockChildren(blockId string, startCursor string, pageSize int) chan struct {
	Children   []notionapi.Block
	NextCursor string
	HasMore    bool
	Error      error
} {
	retval := make(chan struct {
		Children   []notionapi.Block
		NextCursor string
		HasMore    bool
		Error      error
	})
	pagination := notionapi.Pagination{StartCursor: notionapi.Cursor(startCursor), PageSize: pageSize}
	go func() {
		children, err := client.Block.GetChildren(context.Background(), notionapi.BlockID(blockId), &pagination)
		retval <- struct {
			Children   []notionapi.Block
			NextCursor string
			HasMore    bool
			Error      error
		}{children.Results, children.NextCursor, children.HasMore, err}
	}()
	return retval
}