import { StreamQueryOperators } from '../Models';

// NOTE: This could and maybe should be its own state machine? That will allow all kinds of cool things,
// like actors, async checks etc. 

// in either event, the way these little guys are handled and the way validation works should be standardised. 


const equalto = (fieldValue, anchorValue) => fieldValue === anchorValue;
const notEqualto = (fieldValue, anchorValue) => fieldValue !== anchorValue.value;
const smallThan = (fieldValue, anchorValue) => fieldValue < anchorValue.value; 
const smallThanOrEqualTo = (fieldValue, anchorValue) => fieldValue >= anchorValue.value; 
const greaterThan = (fieldValue, anchorValue) => fieldValue > anchorValue.value; 
const greaterThanOrEqualTo = (fieldValue, anchorValue) => fieldValue <= anchorValue.value; 
const arrayContains = (fieldValue, anchorValue) => fieldValue.find(item => item === anchorValue); 
const isIn = (fieldValue, anchorValue) => anchorValue.find(item => item === fieldValue); 
// const isValid = (form, query, value) => form.get(query.anchorControlName).status === 'VALID'; 
// const isInvalid = (form, query, value) => form.get(query.anchorControlName).status === 'INVALID'; 

export const runQuery = {
    [ StreamQueryOperators[ StreamQueryOperators [ "==" ] ] ]: equalto,
    [ StreamQueryOperators[ StreamQueryOperators [ "!=" ] ] ]: notEqualto,
    [ StreamQueryOperators[ StreamQueryOperators [ "<" ] ] ]: smallThan,
    [ StreamQueryOperators[ StreamQueryOperators [ "<=" ] ] ]: smallThanOrEqualTo,
    [ StreamQueryOperators[ StreamQueryOperators [ ">" ] ] ]: greaterThan,
    [ StreamQueryOperators[ StreamQueryOperators [ ">=" ] ] ]: greaterThanOrEqualTo,
    [ StreamQueryOperators[ StreamQueryOperators [ "array-contains" ] ] ]: arrayContains,
    [ StreamQueryOperators[ StreamQueryOperators [ "in" ] ] ]: isIn,
    // [ StreamQueryOperators[ StreamQueryOperators [ "VALID" ] ] ]: isValid,
    // [ StreamQueryOperators[ StreamQueryOperators [ "INVALID" ] ] ]: isInvalid,
}