const validateName = (name: string) => {
    if((name + "").length > 2) {
      return true;
    }
    return false;
  }

function readCookie(key: string) {
    let name = key + "=";
    let decodedCookie = decodeURIComponent(document.cookie);
    let ca = decodedCookie.split(';');
    for(let i = 0; i <ca.length; i++) {
        let c = ca[i];
        while (c.charAt(0) == ' ') {
        c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
            return c.substring(name.length, c.length);
        }
    }
    return "";
}

async function callApi(url: string, data: string, authorization: any) {

    return new Promise((resolve: any) => {

        const jsonData = JSON.stringify(data);
        var xhr = new XMLHttpRequest();
        xhr.addEventListener("readystatechange", () => {
            if(xhr != null) {
                if(xhr.readyState === 4) {
                    resolve(xhr);
                }
            }
        });
        xhr.open("POST", url);
        xhr.setRequestHeader("Content-Type", "application/json");
        xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); 
        if(authorization != null) {
            xhr.setRequestHeader('Authorization', 'Basic ' + authorization);
        }
        xhr.send(jsonData);

        return xhr;

    })

}

async function callApiPresignedDelete(url: string) {

    return new Promise((resolve: any) => {
  
        var xhr = new XMLHttpRequest();
        xhr.addEventListener("readystatechange", () => {
            if(xhr != null) {
                if(xhr.readyState === 4) {
                    resolve(xhr);
                }
            }
        });
        xhr.open("DELETE", url);
        xhr.timeout = 1800000;
        xhr.setRequestHeader("Content-Type", "application/json");
        xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); 
        xhr.send(null);
  
        return xhr;
  
    })
  
}

async function callApiPresignedGet(url: string) {

return new Promise((resolve: any) => {

    var xhr = new XMLHttpRequest();
    xhr.addEventListener("readystatechange", () => {
        if(xhr != null) {
            if(xhr.readyState === 4) {
                resolve(xhr);
            }
        }
    });
    xhr.open("GET", url);
    xhr.timeout = 1800000;
    xhr.setRequestHeader("Content-Type", "application/json");
    xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); 
    xhr.send(null);

    return xhr;

})

}
const delay = (delayInms: number) => {
return new Promise(resolve => setTimeout(resolve, delayInms));
};

const timeSince = (date: number) => {

    var seconds = Math.floor((new Date().getTime() - date) / 1000);

    if(seconds > 0) {

      var interval = seconds / 31536000;
    
      if (interval > 1) {
        return Math.floor(interval) + " years ago";
      }
      interval = seconds / 2592000;
      if (interval > 1) {
        return Math.floor(interval) + " months ago";
      }
      interval = seconds / 86400;
      if (interval > 1) {
        return Math.floor(interval) + " days ago";
      }
      interval = seconds / 3600;
      if (interval > 1) {
        return Math.floor(interval) + " hours ago";
      }
      interval = seconds / 60;
      if (interval > 1) {
        return Math.floor(interval) + " minutes ago";
      }
      return Math.floor(seconds) + " seconds ago";

    } else {

      var interval = Math.abs(seconds) / 31536000;


      console.log('timesince', seconds);
      
      
      console.log('interval year', interval);
      if (interval > 1) {
        return Math.floor(interval) + " years later";
      }
      interval = Math.abs(seconds) / 2592000;
      console.log('interval months', interval);
      if (interval > 1) {
        return Math.floor(interval) + " months later";
      }

      interval = Math.abs(seconds) / 86400;
      console.log('interval days', interval);
      if (interval > 1) {
        return Math.floor(interval) + " days later";
      }
      
      interval = Math.abs(seconds) / 3600;
      console.log('interval hours', interval);
      if (interval > 1) {
        return Math.floor(interval) + " hours later";
      }
      interval = Math.abs(seconds) / 60;
      if (interval > 1) {
        return Math.floor(interval) + " minutes later";
      }
      return Math.floor(Math.abs(seconds)) + " seconds";

    }
}

function isInteger(value: string) {
    return /^-?\d+$/.test(value);
}

function isPlainObject(value: any): boolean {
  return Object.prototype.toString.call(value) === '[object Object]';
}

const exportFunctions = {
   callApi, callApiPresignedDelete, callApiPresignedGet, validateName, readCookie, delay, timeSince, isInteger, isPlainObject
};

export default exportFunctions;