amethyst/app/src/main/java/com/vitorpamplona/amethyst/service/NostrUserProfileDataSource.kt

/**
 * 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.service

import com.vitorpamplona.amethyst.model.User
import com.vitorpamplona.amethyst.service.relays.COMMON_FEED_TYPES
import com.vitorpamplona.amethyst.service.relays.JsonFilter
import com.vitorpamplona.amethyst.service.relays.TypedFilter
import com.vitorpamplona.quartz.events.AppRecommendationEvent
import com.vitorpamplona.quartz.events.AudioHeaderEvent
import com.vitorpamplona.quartz.events.AudioTrackEvent
import com.vitorpamplona.quartz.events.BadgeAwardEvent
import com.vitorpamplona.quartz.events.BadgeProfilesEvent
import com.vitorpamplona.quartz.events.BookmarkListEvent
import com.vitorpamplona.quartz.events.ContactListEvent
import com.vitorpamplona.quartz.events.GenericRepostEvent
import com.vitorpamplona.quartz.events.HighlightEvent
import com.vitorpamplona.quartz.events.LnZapEvent
import com.vitorpamplona.quartz.events.LongTextNoteEvent
import com.vitorpamplona.quartz.events.MetadataEvent
import com.vitorpamplona.quartz.events.PeopleListEvent
import com.vitorpamplona.quartz.events.PinListEvent
import com.vitorpamplona.quartz.events.PollNoteEvent
import com.vitorpamplona.quartz.events.RepostEvent
import com.vitorpamplona.quartz.events.TextNoteEvent

object NostrUserProfileDataSource : NostrDataSource("UserProfileFeed") {
    var user: User? = null

    fun loadUserProfile(user: User?) {
        this.user = user
    }

    fun createUserInfoFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(MetadataEvent.KIND),
                        authors = listOf(it.pubkeyHex),
                        limit = 1,
                    ),
            )
        }

    fun createUserPostsFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds =
                            listOf(
                                TextNoteEvent.KIND,
                                GenericRepostEvent.KIND,
                                RepostEvent.KIND,
                                LongTextNoteEvent.KIND,
                                AudioTrackEvent.KIND,
                                AudioHeaderEvent.KIND,
                                PinListEvent.KIND,
                                PollNoteEvent.KIND,
                                HighlightEvent.KIND,
                            ),
                        authors = listOf(it.pubkeyHex),
                        limit = 200,
                    ),
            )
        }

    fun createUserReceivedZapsFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(LnZapEvent.KIND),
                        tags = mapOf("p" to listOf(it.pubkeyHex)),
                    ),
            )
        }

    fun createFollowFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(ContactListEvent.KIND),
                        authors = listOf(it.pubkeyHex),
                        limit = 1,
                    ),
            )
        }

    fun createFollowersFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(ContactListEvent.KIND),
                        tags = mapOf("p" to listOf(it.pubkeyHex)),
                    ),
            )
        }

    fun createAcceptedAwardsFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(BadgeProfilesEvent.KIND),
                        authors = listOf(it.pubkeyHex),
                        limit = 1,
                    ),
            )
        }

    fun createBookmarksFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds =
                            listOf(BookmarkListEvent.KIND, PeopleListEvent.KIND, AppRecommendationEvent.KIND),
                        authors = listOf(it.pubkeyHex),
                        limit = 100,
                    ),
            )
        }

    fun createReceivedAwardsFilter() =
        user?.let {
            TypedFilter(
                types = COMMON_FEED_TYPES,
                filter =
                    JsonFilter(
                        kinds = listOf(BadgeAwardEvent.KIND),
                        tags = mapOf("p" to listOf(it.pubkeyHex)),
                        limit = 20,
                    ),
            )
        }

    val userInfoChannel = requestNewChannel()

    override fun updateChannelFilters() {
        userInfoChannel.typedFilters =
            listOfNotNull(
                createUserInfoFilter(),
                createUserPostsFilter(),
                createFollowFilter(),
                createFollowersFilter(),
                createUserReceivedZapsFilter(),
                createAcceptedAwardsFilter(),
                createReceivedAwardsFilter(),
                createBookmarksFilter(),
            )
                .ifEmpty { null }
    }
}