/**
 * ANSItex definitions
 */

var   ACTION_RELOAD      =1;        /* Reload the current frame                 */
var   ACTION_GOTO        =2;        /* Goto a specific frame                    */
var   ACTION_BACKUP      =3;        /* Goto previous frame                      */
var   ACTION_NEXT        =4;        /* Goto next frame                          */
var   ACTION_TERMINATE   =6;        /* Terminate the session                    */
var   ACTION_SUBMITRF    =7;        /* Submit form contents                     */
var   ACTION_STAR        =7;        /* Star command entry                       */

var   MODE_BL            =1;        /* Typing * command on baseline             */

var   FRAME_LENGTH       =22;       /* Length of a frame                        */
var   FRAME_WIDTH        =80;       /* Width of a frame                         */
var   FRAME_HEADER       =56;       /* Size of page owner  (length)             */
var   FRAME_PAGENUM      =12;       /* Size of page number (length with a-z)    */
var   FRAME_COST         =9;        /* Size of cost        (length without unit)*/
var   FRAME_COSTUNIT     ='c';      /* Unit of cost                             */

var   ERR_NOT_IMPLEMENTED = '\1RNOT IMPLEMENTED YET?';
var   ERR_ROUTE           = '\1n\1h\1WMISTAKE? \1GTRY AGAIN OR TELL US ON *08';

// Our frame object
function Frame(frame,index) {
    if (frame === undefined) {
        print('ERROR: frame not defined.');
        exit(1);
    }

    this.version=1;
    this.frame=parseInt(frame);
    this.index=index ? index : 'a';
    this.owner='';                      // @todo
    this.cost=0;                        // @todo
    this.content='';
    this.isPublic=false;                // @todo
    this.isAccessible=false;            // @todo
    this.key=[ null,null,null,null,null,null,null,null,null,null ];
    this.render=function() {
        owner = base64_decode(this.owner);

        return '\1n'+owner+' '.repeat(FRAME_HEADER-console.strlen(owner))+'\1n '+
            '\1W\1H'+this.page+' '.repeat(FRAME_PAGENUM-this.page.length)+' '+
            '\1G\1H'+' '.repeat(FRAME_COST-this.cost.toString().length)+this.cost+FRAME_COSTUNIT+
            (console.screen_columns > 80 ? '\n\r' : '') +
            base64_decode(this.content);
    }

    Object.defineProperty(this,'page', {
        get: function() {return pageStr({frame: this.frame, index: this.index }); }
    });
}