jQuery.noConflict();

var cathref_popup_activated = new Object;
var cathref_popup_timers = new Object;
var cathref_popup_showing = new Object;
var cathref_ref_timers = new Object;
var window_height = 0;

function extract_type_from_class( obj ) {
    var regexp = /^([^_]+)_/;
    var match = ( obj.attr( 'class' ) ).match( regexp );
    return match[ 1 ];
}

function hide_popup( id, type ) {
    var obj = popup_by_id( id, type );
    if( obj != null ) {
        if( obj.css( 'opacity' ) >= 0.80 ) {
            id = obj.attr( 'popid' );
            if( cathref_popup_showing[ id ] ) {
                cathref_popup_showing[ id ] = false;
                cathref_popup_activated[ id ] = false;
                obj.fadeOut( 'slow' );
            }
        }
    }
}

// From http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
function get_window_height() {
    var height = 0;
    if( typeof( window.innerHeight ) == 'number' ) {
        //Non-IE
        height = window.innerHeight;
    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        height = document.documentElement.clientHeight;
    }
    return height;
}

function show_popup( id, event, type ) {
    var obj = popup_by_id( id, type );
    cathref_popup_showing[ id ] = true;

    var y = event.pageY + 10;
    var x = event.pageX + 10;
    if( y + 350 > window_height + window.pageYOffset ) {
        y = window_height + window.pageYOffset - 370;
    }
    if( y < 0 ) {
        y = 0;
    }

    obj.css( 'top', y );
    obj.css( 'left', x );
    obj.fadeIn( 'fast' );
}

function popup_by_id( id, type ) {
    return jQuery( 'div.' + type + '_popup[@popid="' + id + '"]' );
}

function reference_activated( event ) {
    var $ = jQuery;
    var this_obj = $( this );
    var id = $( this ).attr( 'refid' );
    cathref_ref_timers[ id ] = setTimeout(
        function() {
            clearTimeout( cathref_popup_timers[ id ] );
            if( ! cathref_popup_showing[ id ] ) {
                show_popup(
                    id,
                    event,
                    extract_type_from_class( this_obj )
                );
            }
        },
        200
    );
}
function reference_deactivated() {
    var $ = jQuery;
    var this_obj = $( this );
    var id = $( this ).attr( 'refid' );
    clearTimeout( cathref_ref_timers[ id ] );
    cathref_popup_timers[ id ] = setTimeout(
        function() {
            if( ! cathref_popup_activated[ id ] ) {
                hide_popup( id, extract_type_from_class( this_obj ) );
            }
        },
        1500
    );
}

function has_nocathref() {
    var $ = jQuery;
    return !!( /\[nocathref\]/.exec( $( 'textarea#content' ).val() ) );
}

jQuery(document).ready( function($) {
    window_height = get_window_height();

    $( '.scripture_popup' ).hover(
        function() {
            var id = $( this ).attr( 'popid' );
            cathref_popup_activated[ id ] = true;
        },
        function() {
            hide_popup( $( this ).attr( 'popid' ), 'scripture' );
        }
    );

    $( '.ccc_popup' ).hover(
        function() {
            var id = $( this ).attr( 'popid' );
            cathref_popup_activated[ id ] = true;
        },
        function() {
            hide_popup( $( this ).attr( 'popid' ), 'ccc' );
        }
    );


    $( '.cathref_close_button' ).click(
        function() {
            var parent = $( this ).parent().parent();
            hide_popup(
                $( this ).attr( 'closeid' ),
                extract_type_from_class( parent )
            );
        }
    );
    $( '.cathref_close_button' ).hover(
        function() {
            $( this ).children( '.cathref_close_button_highlight' ).fadeIn( 'fast' );
        },
        function() {
            $( this ).children( '.cathref_close_button_highlight' ).fadeOut( 'slow' );
        }
    );

    /* -------------------------
       Admin
    */

    $( '.cathref_config input' ).click( function() {
        $( '.cathref_config_notice' ).html( '&nbsp;' );
    } );

    $( '#disable-cre' ).click( function() {
        if( $( '#disable-cre' ).get(0).checked ) {
            if( ! has_nocathref() ) {
                $( 'textarea#content' ).val(
                    "[nocathref]\n" + $( 'textarea#content' ).val()
                );
            }
        } else {
            $( 'textarea#content' ).val(
                $( 'textarea#content' ).val().replace(
                    /\[nocathref\]\s+/g,
                    ''
                )
            );
        }
    } );

    var checkbox = $( '#disable-cre' ).get(0);
    if( checkbox ) {
        checkbox.checked = has_nocathref();
    }

} );