let showConfirmExecution = true;

/**
 * Load module, stories and members.
 *
 * @param  int    $executionID
 * @access public
 * @return void
 */
window.loadAll = function()
{
    if(showConfirmExecution)
    {
        const executionID = $('[name=execution]').val();
        zui.Modal.confirm(confirmChangeExecution).then((res) => {
            if(res)
            {
                loadModuleMenu(executionID);
                loadExecutionStories(executionID);
                loadExecutionMembers(executionID);
            }
            else
            {
                $('[name=execution]').zui('picker').$.setValue(oldExecutionID);
                showConfirmExecution = false;
            }
        });
    }
    showConfirmExecution = true;
}

/**
 * Load module of the execution.
 *
 * @param  int    $executionID
 * @access public
 * @return void
 */
function loadModuleMenu(executionID)
{
    const oldModuleID = $('[name=module]').val();
    const extra       = $('#showAllModule').is(':checked') ? 'allModule' : '';
    const link        = $.createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + executionID + '&viewtype=task&branch=0&rootModuleID=0&returnType=items&fieldID=&needManage=0&extra=' + extra);
    $.getJSON(link, function(moduleItems)
    {
        let $modulePicker = $('[name=module]').zui('picker');
        $modulePicker.render({items: moduleItems});
        $modulePicker.$.setValue(oldModuleID);
    });
}

/**
 * Load stories of the execution.
 *
 * @param  int    $executionID
 * @access public
 * @return void
 */
function loadExecutionStories(executionID, moduleID)
{
    if(typeof(moduleID) == 'undefined') moduleID = 0;
    const link = $.createLink('story', 'ajaxGetExecutionStories', 'executionID=' + executionID + '&productID=0&branch=0&moduleID=' + moduleID);
    $.getJSON(link, function(storyItems)
    {
        let $storyPicker = $('[name=story]').zui('picker');
        $storyPicker.render({items: storyItems});
        $storyPicker.$.setValue(oldStoryID);
    });
}

/**
 * Load team members of the execution.
 *
 * @param  int    $executionID
 * @access public
 * @return void
 */
function loadExecutionMembers(executionID)
{
    const link = $.createLink('execution', 'ajaxGetMembers', 'executionID=' + executionID);
    $.getJSON(link, function(assignedToItems)
    {
        let $assignedToPicker = $('[name=assignedTo]').zui('picker');
        $assignedToPicker.render({items: assignedToItems});
        $assignedToPicker.$.setValue(oldAssignedTo);
    });
}

window.loadAllModule = function()
{
    const executionID = $('[name=execution]').val();
    const oldModuleID = $('[name=module]').val();
    const extra       = $('#showAllModule').is(':checked') ? 'allModule' : '';
    const link        = $.createLink('tree', 'ajaxGetOptionMenu', 'rootID=' + executionID + '&viewtype=task&branch=0&rootModuleID=0&returnType=items&fieldID=&needManage=0&extra=' + extra);
    $.getJSON(link, function(moduleItems)
    {
        let $modulePicker = $('[name=module]').zui('picker');
        $modulePicker.render({items: moduleItems});
        $modulePicker.$.setValue(oldModuleID);
    });
}

/**
 * Change mode event.
 *
 * @param  string $mode
 * @access public
 * @return void
 */
window.changeMode = function()
{
    let mode = $('[name=mode]').val();
    if(mode != 'single')
    {
        if(mode != 'multi')
        {
            $('#assignedTo').picker({disabled: true});
        }
        else
        {
            $('#assignedTo').picker({disabled: false});
        }

        $('.team-group').removeClass('hidden');
        $('#estimate').attr('readonly', 'readonly');
        $('#left').attr('readonly', 'readonly');
    }
    else
    {
        $('#assignedTo').picker({disabled: false});
        $('.team-group').addClass('hidden');
        $('#estimate').removeAttr('readonly');
        $('#left').removeAttr('readonly');
    }
}


$('#teamTable .team-saveBtn').on('click.team', '.btn', function()
{
    let memberCount   = '';
    let totalEstimate = 0;
    let totalConsumed = oldConsumed;
    let totalLeft     = 0;
    let error         = false;
    $(this).closest('#teamTable').find('.picker-box').each(function()
    {
        if(!$(this).find('[name^=team]').val()) return;

        memberCount++;

        let realname = $(this).find('.picker-single-selection').text();

        let $tr = $(this).closest('tr');

        let estimate = parseFloat($tr.find('[name^=teamEstimate]').val());
        if(!isNaN(estimate)) totalEstimate += estimate;
        if(isNaN(estimate) || estimate <= 0)
        {
            zui.Modal.alert(realname + ' ' + estimateNotEmpty);
            error = true;
            return false;
        }

        let consumed = parseFloat($tr.find('[name^=teamConsumed]').val());
        if(!isNaN(consumed)) totalConsumed += consumed;

        let $left = $tr.find('[name^=teamLeft]');
        let left  = parseFloat($left.val());
        if(!isNaN(left)) totalLeft += left;
        if(!$left.prop('readonly') && (isNaN(left) || left <= 0) && team.length > 0)
        {
              zui.Modal.alert(realname + ' ' + leftNotEmpty);
              error = true;
              return false;
        }

        if(estimate == 0 || isNaN(estimate))
        {
            $(this).val('');
            zui.Modal.alert(estimateNotEmpty);
            error = true;
            return false;
        }
    })

    if(error) return false;

    if(memberCount < 2)
    {
        zui.Modal.alert(teamMemberError);
        return false;
    }

    if(totalLeft == 0 && (taskStatus == 'doing' || taskStatus == 'pause'))
    {
        zui.Modal.alert(totalLeftError);
        return false;
    }

    $('#estimate').val(totalEstimate);
    $('#consumedSpan').html(totalConsumed);
    $('#left').val(totalLeft);
    updateAssignedTo();

    zui.Modal.hide();
    return false;
});

/**
 * Update assignedTo.
 *
 * @access public
 * @return void
 */
function updateAssignedTo()
{
    var users      = [];
    var mode       = $('[name="mode"]').val();
    var assignedTo = $('[name="assignedTo"]').val();
    if(mode != 'single')
    {
        var isTeamMember = false;
        $('#teamTable').find('.picker-box').each(function()
        {
            let realname = $(this).find('.picker-single-selection').text();

            if(realname == '') return;

            let account = $(this).find('[name^=team]').val();
            if(account == currentUser) isTeamMember = true;

            users.push({'text': realname, 'value': account});
        });
    }
    else
    {
        for(key in members)
        {
            users.push({'text': members[key], 'value': key});
        }
    }

    /* 串行多人任务取第一个人作为指派人. */
    if(mode == 'linear' && $('#teamTable tr.member-doing').length == 0 && $('#teamTable tr.member-wait').length >= 1) assignedTo = $('#teamTable tr.member-wait').first().find('[name^=team]').first().val();

    let $assignedToPicker = $('#assignedTo').zui('picker');
    $assignedToPicker.render({items: users});
    $assignedToPicker.$.setValue(assignedTo);

    if(mode == 'multi' && isTeamMember)
    {
        $('#assignedTo').picker({disabled: false});
    }
    else
    {
        $('#assignedTo').picker({disabled: true});
    }
}