// The module 'vscode' contains the VS Code extensibility API
// Import the module and reference it with the alias vscode in your code below
import * as vscode from 'vscode';
import { DebugSession } from 'vscode';

// this method is called when your extension is activated
// your extension is activated the very first time the command is executed
var arrays = []; // empty array
 var init = 0;
export function activate(context: vscode.ExtensionContext) {
    // Use the console to output diagnostic information (console.log) and errors (console.error)
    // This line of code will only be executed once when your extension is activated
    console.log('Congratulations, your extension "helloworld-sample" is now active!');
    // let globalStoragePath = context.globalStoragePath;
    context.subscriptions.push(vscode.debug.onDidChangeBreakpoints(
        session => {
            var fs = require('fs');

            const globalStoragePath = context.globalStoragePath;
            if (session['removed'].length > 0) {
                let i = 0;
                let find = -1;
                for (let array of arrays) {
                    for (let sess of session['removed']) {
                        console.log(sess['location']['uri']['path']);
                        // console.log("sess");

                        if (array['path'] == sess['location']['uri']['path']) {
                            // for (let array of arrays) {

                            // }
                            let linesrc = (Number(sess['location']['range']['_start']['_line']) );
                            if (Number(array['line']) == linesrc) {
                                console.log("find");
                                find = i;
                                break;
                            }
                        }
                        // const index = array.indexOf(sess['bid']);
                        // if (index > -1) {
                        //  array.splice(index, 1);
                        // }
                    }
                    // console.log(array);
                    i++;
                }
                if (find >= 0) {
                    arrays.splice(find, 1);
                }
                console.log(arrays);
                fs.unlink(globalStoragePath + '/breakpoint.txt', (err: any) => {
                    if (err) console.log('init error');
                })
                for (let array of arrays) {
                            fs.appendFile(globalStoragePath + '/breakpoint.txt', array['path'] + " " + (Number(array['line']) + 1) + "\n", function (err: any) {
                                if (err)
                                    console.log(err);
                                else
                                    console.log('Write operation complete.');
                            });
                }
                // console.log(session['removed'][0]['_id']);
                // console.log(session['removed']);
            }
            // vscode.debug.registerDebugAdapterDescriptorFactory

            // object literal notation to create your structures
            if (session['added'].length > 0) {
                let find =-1;

                    for (let array of arrays) {
                        for (let sess of session['added']) {
                            console.log(sess['location']['uri']['path']);
                            // console.log("sess");

                            if (array['path'] == sess['location']['uri']['path']) {
                                // for (let array of arrays) {

                                // }
                                let linesrc = (Number(sess['location']['range']['_start']['_line']) );
                                if (Number(array['line']) == linesrc) {
                                    console.log("find");
                                    find = i;
                                    break;
                                }
                            }
                            // const index = array.indexOf(sess['bid']);
                            // if (index > -1) {
                            //  array.splice(index, 1);
                            // }
                        }
                        // console.log(array);
                    }


                if( find ==-1)
                    for (let sess of session['added']) {

                        // const obj = Object.values(sess);
                        // const path = Object.values(obj[1]);
                        // const line = Object.values(obj[1]);
                        // let getpath = path[0];
                        // let getline = path[1];
                        // // var property = 'path';
                        // // console.log(line);
                        // console.log(getpath['path']);
                        // console.log(getline['_start']['_line']);
                        // // console.log(obj);
                        // // Object.keys(test).forEach(key => {
                        // //   console.log(key);
                        // //   });
                        // // console.log(sess.location.url);
                        // fs.appendFile(globalStoragePath + '/breakpoint.txt', getpath['path'] + " " + (Number(getline['_start']['_line']) + 1) + "\n", function (err: any) {
                        //  if (err)
                        //      console.log(err);
                        //  else
                        //      console.log('Write operation complete.');
                        // });
                        let id = sess['_id'];
                        let pathstc = sess['location']['uri']['path'];
                        let linesrc = (Number(sess['location']['range']['_start']['_line']) );
                        arrays.push({ bid: id, path: pathstc, line: linesrc });
                        // console.log(id);
                        // console.log(pathstc);
                        // console.log(linesrc);
                        // console.log(sess);

                }
                console.log(arrays);
                // if(init == 0)
                // init =1;
                // console.log("globalStoragePath" + globalStoragePath);
                // console.log("Breakpoint changed" + session.added);
                fs.unlink(globalStoragePath + '/breakpoint.txt', (err: any) => {
                    if (err) console.log('init error');
                })
                for (let array of arrays) {
                            fs.appendFile(globalStoragePath + '/breakpoint.txt', array['path'] + " " + (Number(array['line']) + 1) + "\n", function (err: any) {
                                if (err)
                                    console.log(err);
                                else
                                    console.log('Write operation complete.');
                            });
                }
            }
        }
    ))

    // const storagePathCast = (context.storageUri as vscode.Uri).path;
    // const globalStoragePath = context.globalStorageUri.path;
    // The command has been defined in the package.json file
    // Now provide the implementation of the command with registerCommand
    // The commandId parameter must match the command field in package.json

    const disposable = vscode.commands.registerCommand('extension.helloWorld', () => {

        // The code you place here will be executed every time your command is executed
        vscode.debug.onDidReceiveDebugSessionCustomEvent(event => {
            // console.log(event.event);
            if (event.event == 'stopped') {

                console.log("Hello World!");
            }
        })
        // vscode.debug.registerDebugAdapterTrackerFactory('*', {

        //  createDebugAdapterTracker(session: DebugSession) {

        //      return {
        //          onWillReceiveMessage: m => console.log(`> ${JSON.stringify(m, undefined, 2)}`),
        //          onDidSendMessage: m => console.log(`< ${JSON.stringify(m, undefined, 2)}`)
        //      };
        //  }
        // });
        // Display a message box to the user
        vscode.window.showInformationMessage('welcome use Gcc plugin analyzer');
        const storagePath = context.storagePath;
        const globalStoragePath = context.globalStoragePath;
        console.log("storagePath" + storagePath);

        vscode.window.showInformationMessage(globalStoragePath + "/breakpoint.txt")
        // var fs = require('fs');
        // fs.unlink(globalStoragePath + '/breakpoint.txt', (err: any) => {
        //  if (err) console.log('init error');
        // })
        //Write to output.
        // orange.appendLine("storagePath");
        // console.log("globalStoragePath" + globalStoragePath);
        // context.workspaceState.update('keyA', 'keyAValue');
        /*
        * 取得memento的資料，可設定初始預設值
        */
        // context.workspaceState.get('keyB', 'defaultValue');

    });

    context.subscriptions.push(disposable);
}