// ==UserScript==
// @name         好友界面添加切换按钮
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  “我的好友”和“谁加我为好友”页面跳转。
// @author       鈴宮華緋
// @include      /https?:\/\/(bgm\.tv|bangumi\.tv|chii\.in)\/user\/.*\/(rev_)?friends/
// @downloadURL none
// ==/UserScript==

(function() {
    let btn_action_css = {
        'height' : '26px',
        'color' : 'rgb(240, 145, 153)',
        'background-color' : 'white',
        'border' : 'solid 1px rgb(204, 204, 204)',
        'border-bottom' : 'none',
        'border-radius' : '5px 5px 0 0',
        'padding' : '5px 10px',
        'outline' : 'none'
    };
    let btn_normal_css = {
        'height' : '26px',
        'color' : 'rgb(240, 145, 153)',
        'background-color' : 'transparent',
        'border' : 'none',
        'padding' : '5px 10px',
        'outline' : 'none'
    };
    let rev_friend_btn = $('<button></button>');
    rev_friend_btn.text('谁加我为好友');
    rev_friend_btn.click(function() {
        window.location.href = window.location.href.replace(/\/(rev_)?friend/,'/rev_friend');
    });
    let friend_btn = rev_friend_btn.clone();
    friend_btn.text('我的好友');
    friend_btn.click(function() {
        window.location.href = window.location.href.replace(/\/(rev_)?friend/,'/friend');
    });
    if (window.location.pathname.match(/\/friend/)) {
        friend_btn.css(btn_action_css);
        rev_friend_btn.css(btn_normal_css);
    } else if (window.location.pathname.match(/\/rev_friend/)) {
        friend_btn.css(btn_normal_css);
        rev_friend_btn.css(btn_action_css);
    }
    let btn_box = $('<div></div>');
    btn_box.css({
        'width' : '100%',
        'height' : '25px',
        'border-bottom' : 'solid 1px rgb(204, 204, 204)',
        'padding-left' : '10px'
    });
    $('div#columnUserSingle').prepend(btn_box);
    $(btn_box).append(friend_btn);
    $(btn_box).append(rev_friend_btn);
})();