/**
 * Copyright (c) 2024 Vitor Pamplona
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
 * Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.vitorpamplona.amethyst.ui.dal

import android.util.Log
import com.vitorpamplona.amethyst.model.Account
import com.vitorpamplona.amethyst.model.LocalCache
import com.vitorpamplona.amethyst.model.User
import kotlinx.coroutines.CancellationException

class HiddenAccountsFeedFilter(val account: Account) : FeedFilter<User>() {
    override fun feedKey(): String {
        return account.userProfile().pubkeyHex
    }

    override fun showHiddenKey(): Boolean {
        return true
    }

    override fun feed(): List<User> {
        return account.flowHiddenUsers.value.hiddenUsers.reversed().mapNotNull {
            try {
                LocalCache.getOrCreateUser(it)
            } catch (e: Exception) {
                if (e is CancellationException) throw e
                Log.e("HiddenAccountsFeedFilter", "Failed to parse key $it")
                null
            }
        }
    }
}

class HiddenWordsFeedFilter(val account: Account) : FeedFilter<String>() {
    override fun feedKey(): String {
        return account.userProfile().pubkeyHex
    }

    override fun showHiddenKey(): Boolean {
        return true
    }

    override fun feed(): List<String> {
        return account.flowHiddenUsers.value.hiddenWords.toList()
    }
}

class SpammerAccountsFeedFilter(val account: Account) : FeedFilter<User>() {
    override fun feedKey(): String {
        return account.userProfile().pubkeyHex
    }

    override fun showHiddenKey(): Boolean {
        return true
    }

    override fun feed(): List<User> {
        return (account.transientHiddenUsers).map { LocalCache.getOrCreateUser(it) }
    }
}
