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path: root/src-vue/src/plugins/store.ts
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import { createStore } from 'vuex';
import { listen, Event as TauriEvent } from "@tauri-apps/api/event";
import {Tabs} from "../utils/Tabs";
import {invoke} from "@tauri-apps/api";
import {GameInstall} from "../utils/GameInstall";
import {ReleaseCanal} from "../utils/ReleaseCanal";
import { ElNotification } from 'element-plus';
import { NorthstarState } from '../utils/NorthstarState';

export const store = createStore({
    state () {
        return {
            current_tab: Tabs.PLAY,
            developer_mode: false,
            game_path: "this/is/the/game/path",
            install_type: undefined,

            installed_northstar_version: "",
            northstar_state: NorthstarState.INSTALL,
            release_canal: ReleaseCanal.RELEASE,

            northstar_is_running: false,
            origin_is_running: false
        }
    },
    mutations: {
        toggleDeveloperMode(state) {
            state.developer_mode = !state.developer_mode;

            // Reset tab when closing dev mode.
            if (!state.developer_mode) {
                store.commit('updateCurrentTab', Tabs.PLAY);
            }
        },
        initialize(state) {
            _initializeApp(state);
            // _checkForFlightCoreUpdates(state);
            _initializeListeners(state);
        },
        updateCurrentTab(state: any, newTab: Tabs) {
            state.current_tab = newTab;
        },
        async launchGame(state: any) {
            // TODO update installation if release track was switched

            // Install northstar if it wasn't detected.
            if (state.northstar_state === NorthstarState.INSTALL) {
                let install_northstar_result = invoke("install_northstar_caller", { gamePath: state.game_path, northstarPackageName: ReleaseCanal.RELEASE });
                state.northstar_state = NorthstarState.INSTALLING;

                await install_northstar_result.then((message) => {
                    console.log(message);
                })
                    .catch((error) => {
                        console.error(error);
                        alert(error);
                    });

                _get_northstar_version_number(state);
                return;
            }

            // Update northstar if it is outdated.
            if (state.northstar_state === NorthstarState.MUST_UPDATE) {
                // Updating is the same as installing, simply overwrites the existing files
                let install_northstar_result = invoke("install_northstar_caller", { gamePath: state.game_path, northstarPackageName: ReleaseCanal.RELEASE });
                state.northstar_state = NorthstarState.UPDATING;

                await install_northstar_result.then((message) => {
                    console.log(message);
                })
                    .catch((error) => {
                        console.error(error);
                        alert(error);
                    });

                _get_northstar_version_number(state);
                return;
            }

            // Game is ready to play
            if (state.northstar_state === NorthstarState.READY_TO_PLAY) {
                // Show an error message if Origin is not running.
                if (!state.origin_is_running) {
                    ElNotification({
                        title: 'Origin is not running',
                        message: "Northstar cannot launch while you're not authenticated with Origin.",
                        type: 'warning',
                        position: 'bottom-right'
                    });

                    // If Origin isn't running, end here
                    return;
                }

                let game_install = {
                    game_path: state.game_path,
                    install_type: state.install_type
                } as GameInstall;
                await invoke("launch_northstar_caller", { gameInstall: game_install })
                    .then((message) => {
                        console.log(message);
                        // NorthstarState.RUNNING
                    })
                    .catch((error) => {
                        console.error(error);
                        alert(error);
                    });
                return;
            }
        }
    }
});

/**
 * This is called when application root component has been mounted.
 * It invokes all Rust methods that are needed to initialize UI.
 */
async function _initializeApp(state: any) {
    const result: GameInstall = await invoke("find_game_install_location_caller")
        .catch((err) => {
            // Gamepath not found or other error
            console.error(err);
            alert(err);
        });
    state.game_path = result.game_path;
    state.install_type = result.install_type;

    // Check installed Northstar version if found
    await _get_northstar_version_number(state);
}

// TODO
async function _checkForFlightCoreUpdates(state: any) {
    // Get version number
    let version_number_string = await invoke("get_version_number") as string;
    // Check if up-to-date
    let flightcore_is_outdated = await invoke("check_is_flightcore_outdated_caller") as boolean;
}

/**
 * This registers callbacks listening to events from Rust-backend.
 * Those events include Origin and Northstar running state.
 */
function _initializeListeners(state: any) {
    listen("origin-running-ping", function (evt: TauriEvent<any>) {
        state.origin_is_running = evt.payload as boolean;
    });

    listen("northstar-running-ping", function (evt: TauriEvent<any>) {
        state.northstar_is_running = evt.payload as boolean;
    });
}

/**
 * This retrieves Northstar version tag, and stores it in application 
 * state, for it to be displayed in UI.
 */
async function _get_northstar_version_number(state: any) {
    let northstar_version_number: string = await invoke("get_northstar_version_number_caller", { gamePath: state.game_path });
    if (northstar_version_number && northstar_version_number.length > 0) {
        state.installed_northstar_version = northstar_version_number;
        state.northstar_state = NorthstarState.READY_TO_PLAY;

        await invoke("check_is_northstar_outdated", { gamePath: state.game_path, northstarPackageName: ReleaseCanal.RELEASE })
            .then((message) => {
                if (message) {
                    state.northstar_state = NorthstarState.MUST_UPDATE;
                }                
            })
            .catch((error) => {
                console.error(error);
                alert(error);
            });
    }
}