/* TODO:
4. test unsealing item:
    - client item id does not change
    - unsealed item no longer has kill counter
5. test reject unsealing item if not enough kills (can this even happen?)
*/

use elseware::common::serverstate::{ClientId, ServerState};
use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
use elseware::ship::ship::{ShipServerState, RecvShipPacket, SendShipPacket};
use elseware::entity::character::SectionID;
use elseware::ship::room::Difficulty;
use elseware::ship::monster::MonsterType;
use elseware::entity::item;

use libpso::packet::ship::*;
use libpso::packet::messages::*;

#[path = "common.rs"]
mod common;
use common::*;

#[async_std::test]
async fn test_sjs_drops_with_kill_counter() {
    let mut entity_gateway = InMemoryGateway::default();

    let (_user1, mut char1) = new_user_character_with_sid(&mut entity_gateway, "a1", "a", SectionID::Skyly).await;

    char1.exp = 80000000;
    entity_gateway.save_character(&char1).await.unwrap();

    let mut ship = Box::new(ShipServerState::builder()
        .gateway(entity_gateway.clone())
        .build());

    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    join_lobby(&mut ship, ClientId(1)).await;
    create_ep2_room_with_difficulty(&mut ship, ClientId(1), "room", "", Difficulty::Ultimate).await;

    let room = ship.blocks.0[0].rooms[0].as_mut().unwrap();
    room.toggle_redbox_mode(); // enable redbox mode

    let gigue_id = room.maps.get_enemy_id_by_monster_type(MonsterType::GiGue).unwrap();

    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
        client: 0,
        target: 0,
        map_area: 9, // seaside
        pt_index: 55, // gigue ? (taken from ingame logs)
        enemy_id: gigue_id,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().collect::<Vec<_>>(); // this should return 1 packet (ItemDrop)?

    assert!(packets.len() == 1);
    match &packets[0].1 {
        SendShipPacket::Message(Message {msg: GameMessage::ItemDrop(item_drop)}) => {
            assert_eq!(item_drop.item_bytes[10], 0x80)
        }
        _ => panic!("SJS didn't drop with the expected value! attr[2] should be 0x80 (128) for 0 kills")
    }
}

#[async_std::test]
async fn test_other_weapons_drop_without_kill_counter() {
    let mut entity_gateway = InMemoryGateway::default();

    let (_user1, mut char1) = new_user_character_with_sid(&mut entity_gateway, "a1", "a", SectionID::Skyly).await;

    char1.exp = 80000000;
    entity_gateway.save_character(&char1).await.unwrap();

    let mut ship = Box::new(ShipServerState::builder()
        .gateway(entity_gateway.clone())
        .build());

    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    join_lobby(&mut ship, ClientId(1)).await;
    create_ep2_room_with_difficulty(&mut ship, ClientId(1), "room", "", Difficulty::Ultimate).await;

    let room = ship.blocks.0[0].rooms[0].as_mut().unwrap();
    room.toggle_redbox_mode(); // enable redbox mode

    let enemy_id = room.maps.get_enemy_id_by_monster_type(MonsterType::Hildebear).unwrap();

    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
        client: 0,
        target: 0,
        map_area: 1, // temple alpha
        pt_index: 0, // TODO: this is going to break if pt_index ever gets properly used
        enemy_id: enemy_id,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().collect::<Vec<_>>();

    assert!(packets.len() == 1);
    match &packets[0].1 {
        SendShipPacket::Message(Message {msg: GameMessage::ItemDrop(item_drop)}) => {
            assert_ne!(item_drop.item_bytes[10], 0x80)
        }
        _ => panic!("Weapon didn't drop with the expected value! attr[2] should be less than 0x80 (128) because it shouldn't have a kill counter!")
    }
}

#[async_std::test]
async fn test_all_equipped_kill_counters_increase_per_kill() {
    let mut entity_gateway = InMemoryGateway::default();

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;

    let mut ship = Box::new(ShipServerState::builder()
        .gateway(entity_gateway.clone())
        .build());

    let mut p1_inv = Vec::new();
    p1_inv.push(entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Weapon(
                item::weapon::Weapon {
                    weapon: item::weapon::WeaponType::SealedJSword,
                    grind: 0,
                    special: None,
                    attrs: [None,
                            None,
                            None,],
                    tekked: true,
                    kills: Some(0),
                }
            ),
        }).await.unwrap());
    p1_inv.push(entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Unit(
                item::unit::Unit {
                    unit: item::unit::UnitType::Limiter,
                    modifier: None,
                    kills: Some(0),
                }
            ),
        }).await.unwrap());
    
    let equipped = item::EquippedEntity {
        weapon: Some(p1_inv[0].id),
        armor: None,
        shield: None,
        unit: [Some(p1_inv[1].id), None, None, None],
        mag: None,
    };

    entity_gateway.set_character_equips(&char1.id, &equipped).await.unwrap();
    entity_gateway.set_character_inventory(&char1.id, &item::InventoryEntity::new(p1_inv)).await.unwrap();

    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    join_lobby(&mut ship, ClientId(1)).await;
    create_room(&mut ship, ClientId(1), "room", "").await;

    let enemy_id = {
        let room = ship.blocks.0[0].rooms[0].as_ref().unwrap();
        let enemy_id = (0..).filter_map(|i| {
            room.maps.enemy_by_id(i).ok().and_then(|enemy| {
                if enemy.monster == MonsterType::Booma {
                    Some(i)
                }
                else {
                    None
                }
            })
        }).next().unwrap();
        enemy_id
    };

    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::KillMonster(KillMonster{
        client: enemy_id as u8,
        target: 16,
        map_area: 1,
        data: [8,0],
    })))).await.unwrap().for_each(drop);

    let equipped_items = entity_gateway.get_character_equips(&char1.id).await.unwrap();
    let inventory = entity_gateway.get_character_inventory(&char1.id).await.unwrap();
    let w = inventory.items.iter().find(|x| x.individual().unwrap().id == equipped_items.weapon.unwrap()).unwrap().individual().unwrap();
    let u = inventory.items.iter().find(|x| x.individual().unwrap().id == equipped_items.unit[0].unwrap()).unwrap().individual().unwrap();

    assert!(w.item.as_client_bytes()[11] == u.item.as_client_bytes()[11]);
}

#[async_std::test]
async fn test_non_equipped_kill_counter_does_not_increase() {
    let mut entity_gateway = InMemoryGateway::default();

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;

    let mut ship = Box::new(ShipServerState::builder()
        .gateway(entity_gateway.clone())
        .build());

    let mut p1_inv = Vec::new();
    p1_inv.push(entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Weapon(
                item::weapon::Weapon {
                    weapon: item::weapon::WeaponType::SealedJSword,
                    grind: 0,
                    special: None,
                    attrs: [None,
                            None,
                            None,],
                    tekked: true,
                    kills: Some(0),
                }
            ),
        }).await.unwrap());
    p1_inv.push(entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Unit(
                item::unit::Unit {
                    unit: item::unit::UnitType::Limiter,
                    modifier: None,
                    kills: Some(0),
                }
            ),
        }).await.unwrap());

    let equipped = item::EquippedEntity {
        weapon: Some(p1_inv[0].id),
        armor: None,
        shield: None,
        unit: [None; 4],
        mag: None,
    };

    entity_gateway.set_character_equips(&char1.id, &equipped).await.unwrap();
    entity_gateway.set_character_inventory(&char1.id, &item::InventoryEntity::new(p1_inv)).await.unwrap();

    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    join_lobby(&mut ship, ClientId(1)).await;
    create_room(&mut ship, ClientId(1), "room", "").await;

    let enemy_id = {
        let room = ship.blocks.0[0].rooms[0].as_ref().unwrap();
        let enemy_id = (0..).filter_map(|i| {
            room.maps.enemy_by_id(i).ok().and_then(|enemy| {
                if enemy.monster == MonsterType::Booma {
                    Some(i)
                }
                else {
                    None
                }
            })
        }).next().unwrap();
        enemy_id
    };

    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::KillMonster(KillMonster{
        client: enemy_id as u8,
        target: 16,
        map_area: 1,
        data: [8,0],
    })))).await.unwrap().for_each(drop);

    let equipped_items = entity_gateway.get_character_equips(&char1.id).await.unwrap();
    let inventory = entity_gateway.get_character_inventory(&char1.id).await.unwrap();

    let w = inventory.items.iter().find(|x| x.individual().unwrap().id == equipped_items.weapon.unwrap()).unwrap().individual().unwrap();
    let u = inventory.items.iter().find(|x| x.individual().unwrap().id == item::ItemEntityId(2)).unwrap().individual().unwrap();

    assert!(w.item.as_client_bytes()[11] == 1);
    assert!(u.item.as_client_bytes()[11] == 0);
}