/*
 *   This file is a part of the SteamWar software.
 *
 *   Copyright (C) 2026 SteamWar.de-Serverteam
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package de.steamwar.routes.v2

import de.steamwar.routes.ResponseEvent
import de.steamwar.routes.ResponseTeam
import de.steamwar.routes.ResponseUser
import de.steamwar.sql.SteamwarUser
import de.steamwar.sql.Team
import de.steamwar.sql.TeamTable
import de.steamwar.sql.TeamTeilnahme
import de.steamwar.sql.internal.useDb
import io.ktor.http.HttpStatusCode
import io.ktor.server.application.call
import io.ktor.server.response.respond
import io.ktor.server.routing.Route
import io.ktor.server.routing.get
import io.ktor.server.routing.route
import kotlinx.serialization.Serializable
import org.jetbrains.exposed.v1.core.like
import org.jetbrains.exposed.v1.jdbc.Query
import org.jetbrains.exposed.v1.jdbc.andWhere
import org.jetbrains.exposed.v1.jdbc.selectAll

fun Query.addTeamFilter(teamName: String?, teamKuerzel: String?): Query {
    teamName?.let { andWhere { TeamTable.name like "%$it%" } }
    teamKuerzel?.let { andWhere { TeamTable.kuerzel like "%$it%" } }
    return this
}

fun Route.configureTeamRoutes() {
    route("/teams") {
        get {
            val teamName = call.request.queryParameters["name"]
            val teamKuerzel = call.request.queryParameters["kuerzel"]

            val limit = call.request.queryParameters["limit"]?.toIntOrNull() ?: 100
            val page = call.request.queryParameters["page"]?.toIntOrNull() ?: 0

            call.respond(useDb {
                TeamTable.selectAll().addTeamFilter(teamName, teamKuerzel).limit(limit).offset((page * limit).toLong())
                    .map { ResponseTeam(it) }
            })
        }

        get("/{team}") {
            @Serializable
            data class TeamResponse(
                val team: ResponseTeam,
                val members: List<ResponseUser>,
                val leaders: List<ResponseUser>,
                val events: List<ResponseEvent>
            )

            val team = call.parameters["team"]?.toIntOrNull()?.let { Team.byId(it) }
            if (team == null) {
                call.respond(HttpStatusCode.NotFound)
                return@get
            }

            call.respond(useDb {
                TeamResponse(
                    ResponseTeam(team),
                    team.membersUser.map { ResponseUser(it) },
                    team.membersUser.filter { it.leader }.map { ResponseUser(it) },
                    TeamTeilnahme.getEvents(team.teamId).map { ResponseEvent(it) })
            })
        }
    }
}