const fs = require('fs')
const uri = './json/mapping.json'
const saveUri = './json/tree.json'
const _done = () => {
   const configs = _getMappingConfig()
   const configTree = _tree(configs)
   _saveTree(configTree)
}

const _getMappingConfig = () => {
    const configs = JSON.parse(fs.readFileSync(uri)).data
    return configs
}

const _tree = (configs) => {
    const tree = {}, map = {}

    for(const config of configs) {
        const {key, pKey, type} = config
        // 根路径
        if(pKey == 0) {
            const _key = key
            const _config = {
                _config: config,
                _key,
            }
            tree[key] = _config
            map[key] = _config
            continue
        }
        const pConfig = map[pKey]
        const _key =  pConfig['_key'] + '_' + key
        const _config = {
            _config: config,
            _key: _key,
        }
        pConfig[key] = _config
        if(type === 'object' || type === 'Array') {
            map[key] = _config
            continue
        }
    }
    return tree
}

const _saveTree = (data) => {
    fs.writeFileSync(saveUri, JSON.stringify(data))
}
_done()