console.log( "=== simpread contentscripts load ===" )

import './assets/css/simpread.css';
import './assets/css/option.css';
import 'notify_css';

import Velocity  from 'velocity';
import Notify    from 'notify';

import {focus}   from 'focus';
import * as read from 'read';
import * as modals from 'modals';
import * as kbd  from 'keyboard';

import * as util from 'util';
import { storage, STORAGE_MODE as mode } from 'storage';
import * as msg  from 'message';
import {browser} from 'browser';
import * as watch from 'watch';

import PureRead  from 'puread';
import * as puplugin from 'puplugin';

let pr,                           // pure read object
    is_blacklist = false,
    storage_load = false,         // only usage firefox on windows
    current_url  = location.href; // current page url ( when changed page changed )

$.fn.sreffect = $.fn.velocity == undefined ? $.fn.animate : $.fn.velocity; // hack code for firefox

/**
 * Sevice: storage Get data form chrome storage
 */
/*
storage.Read( () => {
    if ( blacklist() ) {
        $( "style" ).map( ( idx, item ) => {
            if ( item.innerText.includes( "simpread"        ) || 
                 item.innerText.includes( "sr-opt-focus"    ) || 
                 item.innerText.includes( "sr-rd-theme"     ) || 
                 item.innerText.includes( "notify-gp"       ) || 
                 item.innerText.includes( "md-waves-effect" )
            ) {
                $(item).remove();
            }
        });
    } else {
        bindShortcuts();
        autoOpen();
    }
});
*/

/**
 * Blacklist
 * 
 * @return {boolean} true: is blacklist; false: is't blacklist
 */
function blacklist() {
    for ( const item of storage.option.blacklist ) {
        if ( !item.startsWith( "http" ) ) {
            if ( location.hostname.includes( item ) ) {
                is_blacklist = true;
                break;
            }
        } else {
            if ( location.href == item ) {
                is_blacklist = true;
                break;
            }
        }
    }
    console.log( "current site is blacklist", is_blacklist )
    return is_blacklist;
}

/**
 * Listen runtime message, include: `focus` `read` `shortcuts` `tab_selected`
 */
browser.runtime.onMessage.addListener( function( request, sender, sendResponse ) {
    console.log( "contentscripts runtime Listener", request );
    if ( is_blacklist ) return;
    switch ( request.type ) {
        case msg.MESSAGE_ACTION.focus_mode:
            if ( storage.option.br_exit ) focus.Exist( false ) ? focus.Exit() : focusMode();
            else focusMode();
            break;
        case msg.MESSAGE_ACTION.shortcuts:
            bindShortcuts();
            break;
        case msg.MESSAGE_ACTION.tab_selected:
            browserAction( request.value.is_update );
            break;
        case msg.MESSAGE_ACTION.read_mode:
        case msg.MESSAGE_ACTION.browser_click:
            watch.Verify( ( state, result ) => {
                if ( state ) {
                    console.log( "watch.Lock()", result );
                    new Notify().Render( "配置文件已更新，刷新当前页面后才能生效。", "刷新", ()=>window.location.reload() );
                } else {
                     if ( storage.option.br_exit ) {
                        modals.Exist()  && modals.Exit();
                        !modals.Exist() && read.Exist( false ) ? read.Exit() : readMode();
                     }
                     else readMode();
                }
            });
            break;
        case msg.MESSAGE_ACTION.storage:
            if ( storage_load ) return;
            storage.WriteAsync( request.value.simpread, request.value.secret, request.value.plugins );
            if ( blacklist() ) {
                $( "style" ).map( ( idx, item ) => {
                    if ( item.innerText.includes( "simpread"        ) || 
                         item.innerText.includes( "sr-opt-focus"    ) || 
                         item.innerText.includes( "sr-rd-theme"     ) || 
                         item.innerText.includes( "notify-gp"       ) || 
                         item.innerText.includes( "md-waves-effect" )
                    ) {
                        $(item).remove();
                    }
                });
            } else {
                bindShortcuts();
                autoOpen();
            }
            browserAction( false );
            storage_load = true;
            break;
        case msg.MESSAGE_ACTION.pending_site:
            new Notify().Render({ content: "是否提交，以便更好的适配此页面？", action: "是的", cancel: "取消", callback: type => {
                if ( type == "cancel" ) return;
                browser.runtime.sendMessage( msg.Add( msg.MESSAGE_ACTION.save_site, { url: location.href, site: storage.pr.current.site, uid: storage.user.uid, type: "failed" }));
            }});
            localStorage.removeItem( "sr-update-site" );
            break;
    }
});

/**
 * Keyboard event handler
 */
function bindShortcuts() {
    kbd.Bind( [ storage.focus.shortcuts.toLowerCase() ], focusMode );
    kbd.Bind( [ storage.read.shortcuts.toLowerCase()  ], readMode  );
    kbd.ListenESC( combo => {
        if ( combo == "esc" && storage.option.esc ) {
            modals.Exist()  && modals.Exit();
            !modals.Exist() && focus.Exist() && focus.Exit();
            !modals.Exist() && read.Exist()  && read.Exit();
        }
    });
}

/**
 * Focus mode
 */
function focusMode() {
    console.log( "=== simpread focus mode active ===" )

    if ( !entry( focus, read, "阅读", "聚焦" )) return;

    watch.Verify( ( state, result ) => {
        if ( state ) {
            console.log( "watch.Lock()", result );
            new Notify().Render( "配置文件已更新，刷新当前页面后才能生效。", "刷新", ()=>window.location.reload() );
        } else {
            getCurrent( mode.focus );
            if ( storage.current.site.name.startsWith( "txtread:" ) ) {
                new Notify().Render( "当前为 <a href='http://ksria.com/simpread/docs/#/TXT-阅读器' target='_blank'>TXT 阅读器模式</a>，并不能使用设定功能。" )
                return;
            }
            if ( pr.state == "temp" && pr.dom ) {
                focus.Render( $(pr.dom), storage.current.bgcolor );
            } else {
                focus.GetFocus( pr.Include(), storage.current.site.include ).done( result => {
                    storage.pr.state == "none" && pr.TempMode( mode.focus, result[0] );
                    focus.Render( result, storage.current.bgcolor );
                }).fail( () => {
                    new Notify().Render( 2, "当前并未获取任何正文，请重新选取。" );
                });
            }
        }
    });
}

/**
 * Read mode
 */
function readMode() {
    console.log( "=== simpread read mode active ===" )

    if ( !entry( read, focus, "聚焦", "阅读" )) return;

    watch.Verify( ( state, result ) => {
        if ( state ) {
            console.log( "watch.Lock()", result );
            new Notify().Render( "配置文件已更新，刷新当前页面后才能生效。", "刷新", ()=>window.location.reload() );
        } else {
            getCurrent( mode.read );
            if ( storage.current.site.name != "" ) {
                read.Render();
            } else if ( pr.state == "temp" && pr.dom ) {
                read.Render();
            } else {
                new Notify().Render( "当前并未适配阅读模式，请移动鼠标手动生成 <a href='http://ksria.com/simpread/docs/#/临时阅读模式' target='_blank' >临时阅读模式</a>。" );
                read.Highlight().done( dom => {
                    pr.TempMode( mode.read, dom );
                    read.Render();
                });
            }
        }
    });
}

/**
 * Auto open read mode
 */
function autoOpen() {
    getCurrent( mode.read );
    if   ( window.location.href.includes( "simpread_mode=read"     ) ||
         ( storage.current.auto && util.Exclusion(  puplugin.Plugin( "minimatch" ), storage.current )) ||
         ( !storage.current.auto && util.Whitelist( puplugin.Plugin( "minimatch" ), storage.current ))
        ) {
        switch ( storage.current.site.name ) {
            case "my.oschina.net":
            case "36kr.com":
            case "chiphell.com":
            case "question.zhihu.com":
                $( () => readMode() );
                break;
            case "post.juejin.im":
            case "entry.juejin.im":
                setTimeout( ()=>readMode(), 2500 );
                break;
            case "kancloud.cn":
            case "sspai.com":
                setTimeout( ()=>readMode(), 1000 );
                break;
            default:
                pr.state == "adapter" && readMode();
                break;
        }
    }
}

/**
 * Focus and Read mode entry
 * 
 * @param  {object}  current mode object
 * @param  {object}  other   mode object
 * @param  {array}   render str
 * @return {boolean} true:continue; false: return
 */
function entry( current, other, ...str ) {
    if ( other.Exist(false) ) {
        new Notify().Render( `请先退出${str[0]}模式，才能进入${str[1]}模式。` );
        return false;
    }
    if ( current.Exist(true) ) return false;
    return true;
}

/**
 * Get storage.current
 * 
 * @param {string} value is mode.focus or mode.read or undefined
 */
function getCurrent( mode ) {
    if ( mode && storage.VerifyCur( mode ) ) {
        ( !pr || !pr.Exist() ) && pRead();
        storage.Getcur( mode, pr.current.site );
    }
}

/**
 * Browser action
 * 
 * @param {boolean} when set icon is_update = true
 */
function browserAction( is_update ) {
    if ( is_update && current_url != location.href ) {
        current_url = location.href;
        autoOpen();
    }
    browser.runtime.sendMessage( msg.Add( msg.MESSAGE_ACTION.browser_action, { code: storage.current.site.name == "" ? -1 : 0 , url: window.location.href } ));
}

/** 
 * Pure Read
*/
function pRead() {
    pr = new PureRead( storage.sites );
    pr.AddPlugin( puplugin.Plugin() );
    pr.Getsites();
    storage.puread = pr;
    console.log( "current puread object is   ", pr )
}