package com.example.util

import android.content.ClipData
import android.content.ClipboardManager
import android.content.Context
import android.content.Intent
import android.widget.Toast

object ShareAppHelper {

    // Custom referral domain provided for LabZone / Love Zone app downloads
    var CUSTOM_REFERRAL_DOMAIN: String = "https://lovezonerasturant.shop"
    const val GITHUB_RELEASE_APK_URL = "https://github.com/jd6646324-source/Love-zone-rasturant-app/releases/latest/download/app-debug.apk"
    const val GITHUB_RELEASE_PAGE_URL = "https://github.com/jd6646324-source/Love-zone-rasturant-app/releases"

    val APP_WEB_URL: String
        get() = CUSTOM_REFERRAL_DOMAIN.ifBlank { GITHUB_RELEASE_APK_URL }

    fun getDownloadUrl(referralCode: String = "LOVE50"): String {
        val domainClean = CUSTOM_REFERRAL_DOMAIN.trimEnd('/')
        return if (domainClean.isNotBlank()) "$domainClean/invite?ref=$referralCode" else GITHUB_RELEASE_APK_URL
    }

    fun getDirectApkUrl(): String {
        val domainClean = CUSTOM_REFERRAL_DOMAIN.trimEnd('/')
        return if (domainClean.isNotBlank()) "$domainClean/download" else GITHUB_RELEASE_APK_URL
    }

    fun updateDomain(newDomain: String) {
        val clean = newDomain.trim()
        if (clean.isNotBlank()) {
            CUSTOM_REFERRAL_DOMAIN = if (clean.startsWith("http://") || clean.startsWith("https://")) {
                clean
            } else {
                "https://$clean"
            }
        }
    }

    fun shareApp(context: Context, referralCode: String = "LOVE50", extraNote: String = "") {
        val directApkUrl = getDownloadUrl(referralCode)
        val shareMessage = buildString {
            append("🎉 *LOVE ZONE / LABZONE RESTAURANT APP* 🍕\n")
            append("Kumarghat's Premier Superfast Food Delivery App!\n\n")
            append("✨ Order Biryani, Rolls, Burgers, Snacks & Beverages!\n")
            append("⚡ Superfast 20-30 Mins Home Delivery\n")
            append("🎁 Use promo code *$referralCode* for FLAT 50% OFF on your 1st order!\n\n")
            if (extraNote.isNotBlank()) {
                append("📢 Note from Admin: $extraNote\n\n")
            }
            append("📲 Click link below to Direct Download APK & Install App:\n")
            append(directApkUrl)
            append("\n\n📦 Mirror APK Download Link (GitHub Direct):\n")
            append(GITHUB_RELEASE_APK_URL)
        }

        val sendIntent = Intent().apply {
            action = Intent.ACTION_SEND
            putExtra(Intent.EXTRA_TEXT, shareMessage)
            putExtra(Intent.EXTRA_SUBJECT, "Download Love Zone App - Direct APK")
            type = "text/plain"
        }

        val chooser = Intent.createChooser(sendIntent, "Share Direct APK Download Link via")
        chooser.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
        try {
            context.startActivity(chooser)
        } catch (e: Exception) {
            Toast.makeText(context, "Unable to launch share dialog", Toast.LENGTH_SHORT).show()
        }
    }

    fun copyAppLink(context: Context, referralCode: String = "LOVE50") {
        val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
        val link = getDownloadUrl(referralCode)
        val clip = ClipData.newPlainText("Love Zone APK Download Link", link)
        clipboard?.setPrimaryClip(clip)
        Toast.makeText(context, "Direct APK Link Copied to Clipboard! 📋", Toast.LENGTH_SHORT).show()
    }
}