const glob = require("glob");
const path = require("path");
const fs = require("fs-extra");
//const config = require( '../tribes/townconf.js' );
const check = require(`../nationchains/socialworld/contracts/checkdata.js`);

/* This manage Objects for indexing and check and act to CRUD
   objectpath/objects/schema/objectName.json
                     /objectNames/searchindes/objectName_valueofkey_uuildlist.json
                     /objectNames/uuid.json

*/
const Odmdb = {};
/*
Input: metaobject => data mapper of Key: Value

  objname + an object {} + action check => get a valid or not answer
  objname + an object {} + action search => apply matching algo to find probalistic object id
  objname + action index => update /searcindex of objects concern

*/
Odmdb.schema = (objectPath, objectName) => {
  // Return schema if exist and objectpath contain objectName { status:200;data:schema}
  if (!fs.existsSync(`${objectPath}/${objectName}`))
    return {
      status: 404,
      info: "|odmdb|objectpathnamedoesnotexist",
      moreinfo: `${objectPath}/${objectName}`,
    };
  if (!fs.existsSync(`${objectPath}/schema/${objectName}.json`)) {
    return {
      status: 404,
      info: `|odmdb|schemanotfound`,
      moreinfo: `file not found ${objectPath}/schema/${objectName}.json`,
    };
  } else {
    return {
      status: 200,
      data: fs.readJsonSync(`${objectPath}/schema/${objectName}.json`),
    };
  }
};

Odmdb.check = (objectPath, objectName, data) => {
  /*
  @objectPath path to the folder that contain /objects/objectName/ /objectsInfo/objectName_lg.json /objectsMeta/objectName.json
  @objectName name of object
  @data data to check based on objectsMeta definition  
  */
  const schema = Odmdb.schema(objectPath, objectName);
  if (schema.status != 200) return schema;
  console.log("SCHEMA for checking:");
  console.log(schema.data);
  console.log("DATA to check:");
  console.log(data);
  const validate = checkdata.schema.data(schema.data,data)

  /*const ajv = new Ajv({strict:"log"});
  const validate = ajv.compile(schema.data);
  const valid = validate(data)
  console.log("valid:",valid)
  */
};
Odmdb.search = (objectPath, objectName, search) => {
  /*
  @search= {
    txt: string,
    algo: match | pattern | fuzzy
    fieldstring:[list of field],
    indexfilter:{index1:[val1,val2 | ] }
  }
  Return data:[uuids]

  example: search exact match hill in townId
   heavy search={txt:"hill",algo:"match",fieldstring:"toxnId"}
   light search={txt:"hill", algo:"match", indexfilter:{"key":"townId","value":[]}}
   light search={txt:"hill", algo:"match", indexfilter:{"key":"nationId","value":"ants"}}

   */
  const schema = Odmdb.schema(objectPath, objectName);
  if (schema.status != 200) return schema;
};
Odmdb.get = (objectPath, objectName, uuidprimarykeyList, fieldList) => {
  /*
  @uuidprimarykeyList list of uuid requested
  @fieldList key to return for each object
  Return objectName {status:200; data:{found:[{primarykey,field}],notfound:[uuid]}
  if all primarykey exist then data.notfound does not exist
  if all primarykey does not exist data.found does not exist
  */
  const res = { status: 200, data: {} };
  uuidprimarykeyList.forEach((id) => {
    if (fs.existsSync(`${objectPath}/${objectName}/${id}.json`)) {
      if (!res.data.found) res.data.found = [];
      const objectdata = fs.readJsonSync(
        `${objectPath}/${objectName}/${id}.json`
      );
      if (!fieldList) {
        res.data.found.push(objectdata);
      } else {
        const objinfo = {};
        fieldlList.forEach((k) => {
          if (objectdata[k]) objinfo[k] = objectdata[k];
        });
        res.data.found.push(objinfo);
      }
    } else {
      if (!res.data.notfound) res.data.notfound = [];
    }
  });
  return res;
};
Odmdb.create = (objectPath, objectName, data) => {
  /*
  Create an objects data into objectName 
  @objectPath path to the folder that contain /objects/objectName/ /objectsInfo/objectName_lg.json /objectsMeta/objectName.json
  @objectName name of object
  @data data to check based on objectsMeta definition 
  */
};
Odmdb.update = (objectPath, objectName, data) => {
  /*
  Create an objects data into objectName 
  @objectPath path to the folder that contain /objects/objectName/ /objectsInfo/objectName_lg.json /objectsMeta/objectName.json
  @objectName name of object
  @data data to check based on objectsMeta definition  
  */
};
Odmdb.delete = (objectPath, objectName, data) => {
  /*
  Create an objects data into objectName 
  @objectPath path to the folder that contain /objects/objectName/ /objectsInfo/objectName_lg.json /objectsMeta/objectName.json
  @objectName name of object
  @data data to check based on objectsMeta definition  
  */
};
console.log("test Odmdb");
console.log(
  Odmdb.check(
    "/media/phil/usbfarm/apxtrib/nationchains/socialworld/objects",
    "nations",
    { nationId: "123", status: "unchain" }
  )
);
module.exports = Odmdb;