const { readdirSync } = require("fs")
const path = require("path")
const color = require("../functions/colorCodes")

/**
 * Loads and registers all event handlers for the client
 * @param {Object} client - The Discord client instance
 * @returns {Promise<void>}
 */
module.exports = async (client) => {
    try {
        const eventsPath = path.join(__dirname, "..", "events")
        const eventFiles = readdirSync(eventsPath)
            .filter(file => file.endsWith(".js"))

        const loadedEvents = await Promise.all(
            eventFiles.map(async (file) => {
                try {
                    const eventName = path.parse(file).name
                    const event = require(path.join(eventsPath, file))
                    
                    // Register the event
                    client.event.set(eventName, event.bind(null, client))
                    client.on(eventName, event.bind(null, client))
                    
                    return eventName
                } catch (error) {
                    console.error(color("%", `%r[Event_Handler]%7 :: Failed to load event %e${file}%7: ${error.message}`))
                    return null
                }
            })
        )

        const successfulEvents = loadedEvents.filter(Boolean)
        console.log(color("%", `%b[Event_Handler]%7 :: Successfully loaded %e${successfulEvents.length}%7 events`))
        
        if (successfulEvents.length < eventFiles.length) {
            console.warn(color("%", `%y[Event_Handler]%7 :: %r${eventFiles.length - successfulEvents.length}%7 events failed to load`))
        }
    } catch (error) {
        console.error(color("%", `%r[Event_Handler]%7 :: Critical error: ${error.message}`))
        throw error // Re-throw to handle it in the main application
    }
}