use elseware::common::serverstate::{ClientId, ServerState};
use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
use elseware::entity::item;
use elseware::ship::ship::{ShipServerState, RecvShipPacket};

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

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

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Tool(
                item::tool::Tool {
                    tool: item::tool::ToolType::Monomate
                }
            ),
            location: item::ItemLocation::Inventory {
                character_id: char1.id,
                slot: 0,
                equipped: false,
            }
        }).await;

    for (slot, tool) in vec![item::tool::ToolType::Monomate, item::tool::ToolType::Monofluid].into_iter().enumerate() {
        for _ in 0..5 {
            entity_gateway.create_item(
                item::NewItemEntity {
                    item: item::ItemDetail::Tool(
                        item::tool::Tool {
                            tool: tool
                        }
                    ),
                    location: item::ItemLocation::Inventory {
                        character_id: char2.id,
                        slot: slot,
                        equipped: false,
                    }
                }).await;
        }
    }

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
        client: 0,
        target: 0,
        unknown1: 0,
        map_area: 0,
        item_id: 0x210000,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 6);

    let p1_item_ids = p1_items.iter().map(|item| {
        item.id
    }).collect::<Vec<_>>();
    assert!(p1_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2), item::ItemEntityId(3), item::ItemEntityId(4), item::ItemEntityId(5), item::ItemEntityId(6)]);

    let all_items_are_monomates = p1_items.iter().all(|item| {
        match item.item {
            item::ItemDetail::Tool(tool) => tool.tool == item::tool::ToolType::Monomate,
            _ => false
        }
    });
    assert!(all_items_are_monomates);
}

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Tool(
                item::tool::Tool {
                    tool: item::tool::ToolType::Monomate
                }
            ),
            location: item::ItemLocation::Inventory {
                character_id: char2.id,
                slot: 0,
                equipped: false,
            }
        }).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
        client: 0,
        target: 0,
        unknown1: 0,
        map_area: 0,
        item_id: 0x210000,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 1);

    let first_item = p1_items.get(0).unwrap();
    assert!(first_item.id == item::ItemEntityId(1));
    assert!(first_item.item == item::ItemDetail::Tool(item::tool::Tool {
        tool: item::tool::ToolType::Monomate,
    }));
}

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

    let (user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (user2, mut char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    for slot in 0..30 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Weapon(
                    item::weapon::Weapon {
                        weapon: item::weapon::WeaponType::Saber,
                        grind: 0,
                        special: None,
                        attrs: [None, None, None],
                        tekked: true,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char1.id,
                    slot: slot,
                    equipped: false,
                }
            }).await;
    }

    char2.meseta = 300;
    entity_gateway.save_character(&char2).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::DropCoordinates(DropCoordinates {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        map_area: 0,
        room: 0,
        x: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerSplitItemStack(PlayerSplitItemStack {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        amount: 23,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0xF0000001,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 30);

    let characters1 = entity_gateway.get_characters_by_user(&user1).await;
    let c1 = characters1.get(0).as_ref().unwrap().as_ref().unwrap();
    let characters2 = entity_gateway.get_characters_by_user(&user2).await;
    let c2 = characters2.get(0).as_ref().unwrap().as_ref().unwrap();
    assert!(c1.meseta == 23);
    assert!(c2.meseta == 277);
}

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    for slot in 0..29 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Weapon(
                    item::weapon::Weapon {
                        weapon: item::weapon::WeaponType::Saber,
                        grind: 0,
                        special: None,
                        attrs: [None, None, None],
                        tekked: true,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char1.id,
                    slot: slot,
                    equipped: false,
                }
            }).await;
    }

    entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Tool(
                item::tool::Tool {
                    tool: item::tool::ToolType::Monomate,
                }
            ),
            location: item::ItemLocation::Inventory {
                character_id: char1.id,
                slot: 29,
                equipped: false,
            }
        }).await;
    entity_gateway.create_item(
        item::NewItemEntity {
            item: item::ItemDetail::Tool(
                item::tool::Tool {
                    tool: item::tool::ToolType::Monomate,
                }
            ),
            location: item::ItemLocation::Inventory {
                character_id: char2.id,
                slot: 0,
                equipped: false,
            }
        }).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
        client: 0,
        target: 0,
        unknown1: 0,
        map_area: 0,
        item_id: 0x210000,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 31);

    let monomate1 = p1_items.get(29).unwrap();
    assert!(monomate1.item == item::ItemDetail::Tool(item::tool::Tool {
        tool: item::tool::ToolType::Monomate,
    }));
    let monomate2 = p1_items.get(30).unwrap();
    assert!(monomate2.item == item::ItemDetail::Tool(item::tool::Tool {
        tool: item::tool::ToolType::Monomate,
    }));
}

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    for slot in 0..30 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Weapon(
                    item::weapon::Weapon {
                        weapon: item::weapon::WeaponType::Saber,
                        grind: 0,
                        special: None,
                        attrs: [None, None, None],
                        tekked: true,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char1.id,
                    slot: slot,
                    equipped: false,
                }
            }).await;
    }

    entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Weapon(
                    item::weapon::Weapon {
                        weapon: item::weapon::WeaponType::Handgun,
                        grind: 0,
                        special: None,
                        attrs: [None, None, None],
                        tekked: true,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char2.id,
                    slot: 0,
                    equipped: false,
                }
            }).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
        client: 0,
        target: 0,
        unknown1: 0,
        map_area: 0,
        item_id: 0x210000,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 30);

    let p2_items = entity_gateway.get_items_by_character(&char2).await;
    assert!(p2_items.len() == 0);

    ship.handle(ClientId(2), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p2_items = entity_gateway.get_items_by_character(&char2).await;
    assert!(p2_items.len() == 1);
}

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

    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;

    char1.meseta = 300;
    entity_gateway.save_character(&char1).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    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;

    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::DropCoordinates(DropCoordinates {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        map_area: 0,
        room: 0,
        x: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    let split_attempt = ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::PlayerSplitItemStack(PlayerSplitItemStack {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        amount: 301,
    })))).await;
    assert!(split_attempt.is_err());

    let characters1 = entity_gateway.get_characters_by_user(&user1).await;
    let c1 = characters1.get(0).as_ref().unwrap().as_ref().unwrap();
    assert!(c1.meseta == 300);
}

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    for _ in 0..6 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Tool(
                    item::tool::Tool {
                        tool: item::tool::ToolType::Monomate,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char1.id,
                    slot: 0,
                    equipped: false,
                }
            }).await;
    }
    for _ in 0..6 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Tool(
                    item::tool::Tool {
                        tool: item::tool::ToolType::Monomate,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char2.id,
                    slot: 0,
                    equipped: false,
                }
            }).await;
    }

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerDropItem(PlayerDropItem {
        client: 0,
        target: 0,
        unknown1: 0,
        map_area: 0,
        item_id: 0x210000,
        x: 0.0,
        y: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0x210000,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().collect::<Vec<_>>();
    assert!(packets.len() == 0);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 6);

    let p2_items = entity_gateway.get_items_by_character(&char2).await;
    assert!(p2_items.len() == 0);
}

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

    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (user2, mut char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    char1.meseta = 999999;
    entity_gateway.save_character(&char1).await;
    char2.meseta = 300;
    entity_gateway.save_character(&char2).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::DropCoordinates(DropCoordinates {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        map_area: 0,
        room: 0,
        x: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerSplitItemStack(PlayerSplitItemStack {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        amount: 23,
    })))).await.unwrap().for_each(drop);

    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0xF0000001,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().collect::<Vec<_>>();
    println!("pkts {:?}", packets);
    assert!(packets.len() == 0);

    let characters1 = entity_gateway.get_characters_by_user(&user1).await;
    let c1 = characters1.get(0).as_ref().unwrap().as_ref().unwrap();
    let characters2 = entity_gateway.get_characters_by_user(&user2).await;
    let c2 = characters2.get(0).as_ref().unwrap().as_ref().unwrap();
    assert!(c1.meseta == 999999);
    assert!(c2.meseta == 277);
}

#[async_std::test]
async fn test_meseta_caps_at_999999_when_trying_to_pick_up_more() {
    let mut entity_gateway = InMemoryGateway::new();

    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (user2, mut char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    char1.meseta = 999998;
    entity_gateway.save_character(&char1).await;
    char2.meseta = 300;
    entity_gateway.save_character(&char2).await;

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::DropCoordinates(DropCoordinates {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        map_area: 0,
        room: 0,
        x: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(2), &RecvShipPacket::Message(Message::new(GameMessage::PlayerSplitItemStack(PlayerSplitItemStack {
        client: 0,
        target: 0,
        item_id: 0xFFFFFFFF,
        amount: 23,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0xF0000001,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let characters1 = entity_gateway.get_characters_by_user(&user1).await;
    let c1 = characters1.get(0).as_ref().unwrap().as_ref().unwrap();
    let characters2 = entity_gateway.get_characters_by_user(&user2).await;
    let c2 = characters2.get(0).as_ref().unwrap().as_ref().unwrap();
    assert!(c1.meseta == 999999);
    assert!(c2.meseta == 277);
}

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

    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
    let (_user2, char2) = new_user_character(&mut entity_gateway, "a2", "a").await;

    for _ in 0..5 {
        entity_gateway.create_item(
            item::NewItemEntity {
                item: item::ItemDetail::Tool(
                    item::tool::Tool {
                        tool: item::tool::ToolType::Monomate,
                    }
                ),
                location: item::ItemLocation::Inventory {
                    character_id: char1.id,
                    slot: 0,
                    equipped: false,
                }
            }).await;
    }

    let mut ship = ShipServerState::new(entity_gateway.clone());
    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
    log_in_char(&mut ship, ClientId(2), "a2", "a").await;

    join_lobby(&mut ship, ClientId(1)).await;
    join_lobby(&mut ship, ClientId(2)).await;

    create_room(&mut ship, ClientId(1), "room", "").await;
    join_room(&mut ship, ClientId(2), 0).await;

    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::DropCoordinates(DropCoordinates {
        client: 0,
        target: 0,
        item_id: 0x10000,
        map_area: 0,
        room: 0,
        x: 0.0,
        z: 0.0,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(1), &RecvShipPacket::Message(Message::new(GameMessage::PlayerSplitItemStack(PlayerSplitItemStack {
        client: 0,
        target: 0,
        item_id: 0x10000,
        amount: 2,
    })))).await.unwrap().for_each(drop);

    ship.handle(ClientId(2), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
        client: 0,
        target: 0,
        item_id: 0xF0000001,
        map_area: 0,
        unknown: [0; 3]
    })))).await.unwrap().for_each(drop);

    let p1_items = entity_gateway.get_items_by_character(&char1).await;
    assert!(p1_items.len() == 3);

    let p1_item_ids = p1_items.iter().map(|item| {
        item.id
    }).collect::<Vec<_>>();
    assert!(p1_item_ids == vec![item::ItemEntityId(3), item::ItemEntityId(4), item::ItemEntityId(5)]);

    let all_items_are_monomates = p1_items.iter().all(|item| {
        match item.item {
            item::ItemDetail::Tool(tool) => tool.tool == item::tool::ToolType::Monomate,
            _ => false
        }
    });
    assert!(all_items_are_monomates);

    let p2_items = entity_gateway.get_items_by_character(&char2).await;
    assert!(p2_items.len() == 2);

    let p2_item_ids = p2_items.iter().map(|item| {
        item.id
    }).collect::<Vec<_>>();
    assert!(p2_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2)]);

    let all_items_are_monomates = p1_items.iter().all(|item| {
        match item.item {
            item::ItemDetail::Tool(tool) => tool.tool == item::tool::ToolType::Monomate,
            _ => false
        }
    });
    assert!(all_items_are_monomates);
}