import { CommentFetcher } from "../rdrama/services/CommentFetcher";
import { CommentParser } from "../rdrama/services/CommentParser";
import { Database } from 'sqlite';
//import { Comment } from "../rdrama/models/Comment";

class WorkflowOrchestrator {
    constructor(
        private commentFetcher: CommentFetcher,
        private commentParser: CommentParser,
        private db: Database
        //private redditNotifier: RedditNotifier // Handles notifications to Reddit users
    ) { }

    /**
     * Executes the defined workflow for processing comments.
     */
    async executeWorkflow() {
        try {
            // Fetch comments from the source
            const comments = await this.commentFetcher.fetchComments();
            console.log(`Fetched ${comments.length} comments`);

            // Extract and deduplicate usernames from comments
            const allUsernames = comments.flatMap(comment => this.commentParser.extractUsernames(comment));
            const uniqueUsernames = [...new Set(allUsernames)];
            console.log(`Extracted ${uniqueUsernames.length} unique usernames`);

            //// Query user information based on usernames
            //const userInfo = await this.databaseService.queryUsersInfo(uniqueUsernames);
            //console.log(`Queried information for ${userInfo.length} users`);
            //
            //// Filter users who should be notified
            //const usersToNotify = userInfo.filter(user => this.shouldNotifyUser(user));
            //console.log(`Identified ${usersToNotify.length} users to notify`);
            //
            //// Notify users
            //for (const user of usersToNotify) {
            //    await this.redditNotifier.notifyUser(user);
            //    console.log(`Notified user: ${user.username}`);
            //}

            console.log('Workflow executed successfully.');
        } catch (error) {
            console.error('An error occurred during workflow execution:', error);
        }
    }

    /**
     * Determines whether a user should be notified based on certain criteria.
     * 
     * @param user - The user information object.
     * @returns A boolean indicating whether the user should be notified.
     */
    //private shouldNotifyUser(user: UserInfo): boolean {
    //    // Placeholder for the actual logic to determine if a user should be notified.
    //    // This could involve checking the last notification time against the current time,
    //    // user preferences, or other criteria defined in the business logic.
    //    
    //    // Example logic (to be replaced with actual implementation):
    //    const lastNotifiedTime = new Date(user.lastNotified); // Assuming 'lastNotified' is a Date or string.
    //    const notificationThreshold = 24 * 60 * 60 * 1000; // 24 hours in milliseconds.
    //    return (Date.now() - lastNotifiedTime.getTime()) > notificationThreshold;
    //}
}

export default WorkflowOrchestrator;