# All files utils.js

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     import UAParser from 'ua-parser-js';

    /**
     * Used to evaluate whether or not to render a component
     * @param {Object} options
     * @param {Object} options.jsonx - Valid JSONX JSON
     * @param {Object} options.props - Props to test comparison values against, usually Object.assign(jsonx.props,jsonx.asyncprops,jsonx.thisprops,jsonx.windowprops)
     * @returns {Boolean} returns true if all comparisons are true or if using or comparisons, at least one condition is true
     * @example
     const sampleJSONX = {
      component: 'div',
      props: {
        id: 'generatedJSONX',
        className: 'jsonx',
        bigNum: 1430931039,
        smallNum: 0.425,
        falsey: false,
        truthy: true,
      },
      children: 'some div',
    };
    const testJSONX = Object.assign({}, sampleJSONX, {
      comparisonprops: [{
        left: ['truthy',],
        operation:'==',
        right:['falsey',],
      }],
    });
    displayComponent({ jsonx: testJSONX, props: testJSONX2.props, }) // => false
     */
    export function displayComponent(options = {}) {
      const { jsonx = {}, props, } = options;
      const propsToCompare = jsonx.comparisonprops;
      const comparisons = Array.isArray(propsToCompare) ? propsToCompare.map(comp => {
        const compares = {};
        if (Array.isArray(comp.left)) {
          compares.left = comp.left;
        }
        if (Array.isArray(comp.right)) {
          compares.right = comp.right;
        }
        const propcompares = traverse(compares, props||jsonx.props);
        const opscompares = Object.assign({}, comp, propcompares);
        // console.debug({ opscompares, compares, renderedCompProps });
        switch (opscompares.operation) {
        case 'eq':
        case '==':
          // return opscompares.left == opscompares.right;
          // eslint-disable-next-line
          return opscompares.left == opscompares.right;
        case 'dneq':
        case '!=':
        case '!':
          // return opscompares.left != opscompares.right;
          return opscompares.left !== opscompares.right;
        case 'dnseq':
        case '!==':
          return opscompares.left !== opscompares.right;
        case 'seq':
        case '===':
          return opscompares.left === opscompares.right;
        case 'lt':
        case '<':
          return opscompares.left < opscompares.right;
        case 'lte':
        case '<=':
          return opscompares.left <= opscompares.right;
        case 'gt':
        case '>':
          return opscompares.left > opscompares.right;
        case 'gte':
        case '>=':
          return opscompares.left >= opscompares.right;
        case 'dne':
        case 'undefined':
        case 'null':
          return opscompares.left === undefined || opscompares.left === null;
        case '!null':
        case '!undefined':
        case 'exists':
        default://'exists'
          return opscompares.left !== undefined && opscompares.left !== null;
        }
        // }
        // if (opscompares.operation === 'eq') {
        //   // return opscompares.left == opscompares.right;
        //   // eslint-disable-next-line
        //   return opscompares.left == opscompares.right;
        // } else if (opscompares.operation === 'dneq') {
        //   // return opscompares.left != opscompares.right;
        //   return opscompares.left !== opscompares.right;
        // } else if (opscompares.operation === 'dnseq') {
        //   return opscompares.left !== opscompares.right;
        // } else if (opscompares.operation === 'seq') {
        //   return opscompares.left === opscompares.right;
        // } else if (opscompares.operation === 'lt') {
        //   return opscompares.left < opscompares.right;
        // } else if (opscompares.operation === 'lte') {
        //   return opscompares.left <= opscompares.right;
        // } else if (opscompares.operation === 'gt') {
        //   return opscompares.left > opscompares.right;
        // } else if (opscompares.operation === 'gte') {
        //   return opscompares.left >= opscompares.right;
        // } else if (opscompares.operation === 'dne') {
        //   return opscompares.left === undefined || opscompares.left === null;
        // } else { //'exists'
        //   return opscompares.left !== undefined && opscompares.left !== null;
        // }
      }) : [];
      const validProps = comparisons.filter(comp => comp === true);
      if (!jsonx.comparisonprops) {
        return true;
      } else if (jsonx.comparisonorprops && validProps.length < 1) {
        return false;
      } else if (validProps.length !== comparisons.length && !jsonx.comparisonorprops) {
        return false;
      } else {
        return true;
      }
    }

    /**
     * Use to test if can bind components this context for react-redux-router
     * @returns {Boolean} true if browser is not IE or old android / chrome
     */
    export function getAdvancedBinding() {

      if (typeof window === 'undefined') {
        var window = (this && this.window)
          ? this.window
          : global.window || {};
        if (!window.navigator) return false;
      }
      try {
        if (window && window.navigator && window.navigator.userAgent && typeof window.navigator.userAgent === 'string') {
          // console.log('window.navigator.userAgent',window.navigator.userAgent)
          if(window.navigator.userAgent.indexOf('Trident') !== -1) {
            return false;
          }
          const uastring = window.navigator.userAgent;
          const parser = new UAParser();
          parser.setUA(uastring);
          const parseUserAgent = parser.getResult();
          // console.log({ parseUserAgent, });
          if ((parseUserAgent.browser.name === 'Chrome' || parseUserAgent.browser.name === 'Chrome WebView' ) && parseUserAgent.os.name === 'Android' && parseInt(parseUserAgent.browser.version, 10) < 50) {
            return false;
          }
          if (parseUserAgent.browser.name === 'Android Browser') {
            return false;
          }
        }
      } catch (e) {
        e;
        console.error(e);
        // console.warn('could not detect browser support', e);
        return false;
      }
      return true;
    }

    /**
     * take an object of array paths to traverse and resolve
     * @example
     * const testObj = {
          user: {
            name: 'jsonx',
            description: 'react withouth javascript',
          },
          stats: {
            logins: 102,
            comments: 3,
          },
          authentication: 'OAuth2',
        };
    const testVals = { auth: ['authentication', ], username: ['user', 'name', ], };

     traverse(testVals, testObj) // =>{ auth:'OAuth2', username:'jsonx',  }
     * @param {Object} paths - an object to resolve array property paths
     * @param {Object} data - object to traverse
     * @returns {Object} resolved object with traversed properties
     * @throws {TypeError}
     */
    export function traverse(paths = {}, data = {}) {
      let keys = Object.keys(paths);
      if (!keys.length) return paths;
      return keys.reduce((result, key) => {
        if (typeof paths[key] === 'string') result[key] = data[paths[key]];
        else if (Array.isArray(paths[key])) {
          let _path = Object.assign([], paths[key]);
          let value = data;
          while (_path.length && value && typeof value === 'object') {
            let prop = _path.shift();
            value = value[prop];
          }
          result[key] = (_path.length) ? undefined : value;
        } else throw new TypeError('dynamic property paths must be a string or an array of strings or numeric indexes');
        return result;
      }, {});
    }

    /**
     * Validates JSONX JSON Syntax
     * @example
     * validateJSONX({component:'p',children:'hello world'})=>true
     * validateJSONX({children:'hello world'})=>throw SyntaxError('[0001] Missing React Component')
     * @param {Object} jsonx - JSONX JSON to validate
     * @param {Boolean} [returnAllErrors=false] - flag to either throw error or to return all errors in an array of errors
     * @returns {Boolean|Error[]} either returns true if JSONX is valid, or throws validation error or returns list of errors in array
     * @throws {SyntaxError|TypeError|ReferenceError}
     */
    export function validateJSONX(jsonx = {}, returnAllErrors = false) {
      const dynamicPropsNames = ['asyncprops', 'resourceprops', 'windowprops', 'thisprops', 'thisstate',];
      const evalPropNames = ['__dangerouslyEvalProps', '__dangerouslyBindEvalProps',];
      const validKeys = ['component', 'props', 'children', '__spreadComponent', '__inline','__functionargs', '__dangerouslyInsertComponents', '__dangerouslyInsertComponentProps', '__dangerouslyInsertJSONXComponents', '__functionProps', '__functionparams', '__windowComponents', '__windowComponentProps', 'comparisonprops', 'comparisonorprops', 'passprops', 'debug' ].concat(dynamicPropsNames, evalPropNames);
      let errors = [];
      if (!jsonx.component) {
        errors.push(SyntaxError('[0001] Missing React Component'));
      }
      if (jsonx.props) {
        if (typeof jsonx.props !== 'object' || Array.isArray(jsonx.props)) {
          errors.push(TypeError('[0002] '+jsonx.component+': props must be an Object / valid React props'));
        }
        if (jsonx.props.children && (typeof jsonx.props.children !== 'string' || !Array.isArray(jsonx.props.children))) {
          errors.push(TypeError('[0003] '+jsonx.component+': props.children must be an array of JSONX JSON objects or a string'));
        }
        if (jsonx.props._children && (typeof jsonx.props._children !== 'string' || !Array.isArray(jsonx.props._children))) {
          errors.push(TypeError('[0004] '+jsonx.component+': props._children must be an array of JSONX JSON objects or a string'));
        }
      }
      if (jsonx.children) {
        if (typeof jsonx.children !== 'string' && !Array.isArray(jsonx.children)) {
          errors.push(TypeError('[0005] '+jsonx.component+': children must be an array of JSONX JSON objects or a string'));
        }
        if (Array.isArray(jsonx.children)) {
          const childrenErrors = jsonx.children
            .filter(c => typeof c === 'object')
            .map(c => validateJSONX(c, returnAllErrors));
          errors = errors.concat(...childrenErrors);
        }
      }
      dynamicPropsNames.forEach(dynamicprop => {
        const jsonxDynamicProps = jsonx[ dynamicprop ];
        if (jsonxDynamicProps) {
          // if (dynamicprop === 'thisprops') {
          //   console.log({ dynamicprop, jsonxDynamicProps });
          // }
          if (typeof jsonxDynamicProps !== 'object') {
            errors.push(TypeError(`[0006] ${dynamicprop} must be an object`));
          }
          Object.keys(jsonxDynamicProps).forEach(resolvedDynamicProp => {
            if (!Array.isArray(jsonxDynamicProps[ resolvedDynamicProp ])) {
              errors.push(TypeError(`[0007] jsonx.${dynamicprop}.${resolvedDynamicProp} must be an array of strings`));
            }
            if (Array.isArray(jsonxDynamicProps[resolvedDynamicProp])) {
              const allStringArray = jsonxDynamicProps[resolvedDynamicProp].filter(propArrayItem => typeof propArrayItem === 'string');

              if (allStringArray.length !== jsonxDynamicProps[ resolvedDynamicProp ].length) {
                errors.push(TypeError(`[0008] jsonx.${dynamicprop}.${resolvedDynamicProp} must be an array of strings`));
              }
            }
          });
        }
      });
      const evalProps = jsonx.__dangerouslyEvalProps;
      const boundEvalProps = jsonx.__dangerouslyBindEvalProps;
      if (evalProps || boundEvalProps) {
        if ((evalProps && typeof evalProps !== 'object') || (boundEvalProps && typeof boundEvalProps !== 'object')) {
          errors.push(TypeError('[0009] __dangerouslyEvalProps must be an object of strings to convert to valid javascript'));
        }
        evalPropNames
          .filter(evalProp => jsonx[ evalProp ])
          .forEach(eProps => {
            const evProp = jsonx[ eProps ];
            const scopedEval = eval;
            Object.keys(evProp).forEach(propToEval => {
              if (typeof evProp[ propToEval ] !== 'string') {
                errors.push(TypeError(`[0010] jsonx.${eProps}.${evProp} must be a string`));
              }
              try {
                // console.log({ eProps });
                if (eProps === '__dangerouslyBindEvalProps') {
                  const funcToBind = scopedEval(`(${evProp[ propToEval ]})`);
                  funcToBind.call({ bounded: true, });
                } else {
                  scopedEval(evProp[ propToEval ]);
                }
              } catch (e) {
                errors.push(e);
              }
            });
          });
      }
      if (jsonx.__dangerouslyInsertComponents) {
        Object.keys(jsonx.__dangerouslyInsertComponents).forEach(insertedComponents => {
          try {
            validateJSONX(jsonx.__dangerouslyInsertComponents[ insertedComponents ]);
          } catch (e) {
            errors.push(TypeError(`[0011] jsonx.__dangerouslyInsertComponents.${insertedComponents} must be a valid JSONX JSON Object: ${e.toString()}`));
          }
        });
      }
      if (jsonx.__functionProps) {
        if (typeof jsonx.__functionProps !== 'object') {
          errors.push(TypeError('[0012] jsonx.__functionProps  must be an object'));
        } else {

          Object.keys(jsonx.__functionProps)
            .forEach(fProp => {
              if (jsonx.__functionProps[fProp] &&( typeof jsonx.__functionProps[fProp] !=='string' || jsonx.__functionProps[fProp].indexOf('func:') === -1)) {
                errors.push(ReferenceError(`[0013] jsonx.__functionProps.${fProp} must reference a function (i.e. func:this.props.logoutUser())`));
              }
            });
        }
      }
      if (jsonx.__windowComponentProps && (typeof jsonx.__windowComponentProps !=='object' || Array.isArray(jsonx.__windowComponentProps))) {
        errors.push(TypeError('[0013] jsonx.__windowComponentProps  must be an object'));
      }
      if (jsonx.__windowComponents) {
        if (typeof jsonx.__windowComponents !== 'object') {
          errors.push(TypeError('[0014] jsonx.__windowComponents must be an object'));
        }
        Object.keys(jsonx.__windowComponents)
          .forEach(cProp => {
            if (typeof jsonx.__windowComponents[cProp]!=='string'||jsonx.__windowComponents[cProp].indexOf('func:') === -1) {
              errors.push(ReferenceError(`[0015] jsonx.__windowComponents.${cProp} must reference a window element on window.__jsonx_custom_elements (i.e. func:window.__jsonx_custom_elements.bootstrapModal)`));
            }
          });
      }
      if (typeof jsonx.comparisonorprops !== 'undefined' && typeof jsonx.comparisonorprops !== 'boolean') {
        errors.push(TypeError('[0016] jsonx.comparisonorprops  must be boolean'));
      }
      if (jsonx.comparisonprops) {
        if(!Array.isArray(jsonx.comparisonprops)) {
          errors.push(TypeError('[0017] jsonx.comparisonprops  must be an array or comparisons'));
        } else {
          jsonx.comparisonprops.forEach(c => {
            if (typeof c !== 'object') {
              errors.push(TypeError('[0018] jsonx.comparisonprops  must be an array or comparisons objects'));
            } else if(typeof c.left==='undefined') {
              errors.push(TypeError('[0019] jsonx.comparisonprops  must be have a left comparison value'));
            }
          });
        }
      }
      if (typeof jsonx.passprops !== 'undefined' && typeof jsonx.passprops !== 'boolean') {
        errors.push(TypeError('[0020] jsonx.passprops  must be boolean'));
      }
      const invalidKeys = Object.keys(jsonx).filter(key => validKeys.indexOf(key) === -1);
      if (errors.length) {
        if (returnAllErrors) return errors;
        throw errors[ 0 ];
      }
      return invalidKeys.length
        ? `Warning: Invalid Keys [${invalidKeys.join()}]`
        : true;
    }

    /**
     * validates simple JSONX Syntax {[component]:{props,children}}
     * @param {Object} simpleJSONX - Any valid simple JSONX Syntax
     * @return {Boolean} returns true if simpleJSONX is valid
     */
    export function validSimpleJSONXSyntax(simpleJSONX = {}) {
      if (Object.keys(simpleJSONX).length !== 1 && !simpleJSONX.component) {
        return false;
      } else {
        const componentName = Object.keys(simpleJSONX)[ 0 ];
        return (Object.keys(simpleJSONX).length === 1  && !simpleJSONX[componentName].component && typeof simpleJSONX[componentName]==='object')
          ? true
          : false;
      }
    }

    /**
     * Transforms SimpleJSONX to Valid JSONX JSON {[component]:{props,children}} => {component,props,children}
     * @param {Object} simpleJSONX JSON Object
     * @return {Object} - returns a valid JSONX JSON Object from a simple JSONX JSON Object
     */
    export function simpleJSONXSyntax(simpleJSONX = {}) {
      const component = Object.keys(simpleJSONX)[ 0 ];
      try {
        return Object.assign({},
          {
            component,
          },
          simpleJSONX[ component ], {
            children: (simpleJSONX[ component ].children && Array.isArray(simpleJSONX[ component ].children))
              ? simpleJSONX[ component ].children
                .map(simpleJSONXSyntax)
              : simpleJSONX[ component ].children,
          });
      } catch (e) {
        throw SyntaxError('Invalid Simple JSONX Syntax', e);
      }
    }

    /**
     * Transforms Valid JSONX JSON to SimpleJSONX  {component,props,children} => {[component]:{props,children}}
     * @param {Object} jsonx Valid JSONX JSON object
     * @return {Object} - returns a simple JSONX JSON Object from a valid JSONX JSON Object
     */
    export function getSimplifiedJSONX(jsonx = {}) {
      try {
        if (!jsonx.component) return jsonx; //already simple
        const componentName = jsonx.component;
        jsonx.children = (Array.isArray(jsonx.children))
          ? jsonx.children
            .filter(child => child)//remove empty children
            .map(getSimplifiedJSONX)
          : jsonx.children;
        delete jsonx.component;
        return {
          [ componentName ]: jsonx,
        };
      } catch (e) {
        throw e;
      }
    }