import getQueryStringParams from '../shared/getQueryStringParams'

import seserializeParam from '../shared/serializeParam'

import serializeSearch from '../shared/serializeSearch'

import router from './router'

import segments, { resetSegments } from './segments'

import state from './state'

const paramsProxyHandler = {

set(target, name, value) {

const serializedValue = seserializeParam(value)

target[name] = serializedValue

const search = serializeSearch(target)

router.url = router.path + (search ? '?' : '') + search

return true

},

get(target, name) {

if (target[name] === false) return false

if (segments[name] === false) return false

return target[name] || segments[name] || ''

},

}

const params = { ...state.params }

delete state.params

const proxy = new Proxy(params, paramsProxyHandler)

export function updateParams(query) {

resetSegments()

const delta = getQueryStringParams(query)

for (const key of Object.keys({ ...delta, ...params })) {

params[key] = delta[key]

}

return proxy

}

export default proxy