package hashmap

import (
	"474420502.top/eson/structure/compare"
)

type hmBucket struct {
	size uint
	data []*bucketNode
}

type bucketNode struct {
	hash       uint
	key, value interface{}
}

func newBucket() *hmBucket {
	return &hmBucket{}
}

func (bkt *hmBucket) Get(key interface{}, Compare compare.Compare) interface{} {
	// bkt.data
	for _, n := range bkt.data {
		if Compare(n.key, key) == 0 {
			return n.value
		}
	}
	return nil
}

func (bkt *hmBucket) Add(hash uint, k, v interface{}, Compare compare.Compare) {

	for i := uint(0); i < bkt.size; i++ {
		n := bkt.data[i]
		if Compare(n.key, k) == 0 {
			n.hash = hash
			n.key = k
			n.value = v
			return
		}
	}

	if bkt.size < uint(len(bkt.data)) {
		n := bkt.data[bkt.size]
		n.hash = hash
		n.key = k
		n.value = v
		bkt.size++
		return
	}

	bkt.data = append(bkt.data, &bucketNode{key: k, value: v, hash: hash})
	bkt.size++
}

func (bkt *hmBucket) AddNode(node *bucketNode, Compare compare.Compare) {

	for i := uint(0); i < bkt.size; i++ {
		n := bkt.data[i]
		if Compare(n.key, node.key) == 0 {
			n.hash = node.hash
			n.key = node.key
			n.value = node.value
			panic(123)
			return
		}
	}

	if bkt.size < uint(len(bkt.data)) {
		bkt.data[bkt.size] = node
		bkt.size++
		return
	}
	bkt.data = append(bkt.data, node)
	bkt.size++
}