dofile_once("mods/quant.ew/NoitaPatcher/load.lua")
np = require("noitapatcher")

package.cpath = package.cpath .. ";./mods/quant.ew/?.dll"
package.path = package.path .. ";./mods/quant.ew/?.lua"
print(package.cpath)

dofile_once( "data/scripts/lib/utilities.lua" )

dofile_once("mods/quant.ew/files/system/player/player_cosmetics.lua")

np.InstallShootProjectileFiredCallbacks()
np.EnableGameSimulatePausing(false)
np.InstallDamageDetailsPatch()
np.SilenceLogs("Warning - streaming didn\'t find any chunks it could stream away...\n")

ewext = require("ewext0")

-- Make some stuff global, as it's way too annoying to import each time.
ctx = dofile_once("mods/quant.ew/files/core/ctx.lua")
player_fns = dofile_once("mods/quant.ew/files/core/player_fns.lua")
net = dofile_once("mods/quant.ew/files/core/net.lua")
util = dofile_once("mods/quant.ew/files/core/util.lua")
inventory_helper = dofile_once("mods/quant.ew/files/core/inventory_helper.lua")
constants = dofile_once("mods/quant.ew/files/core/constants.lua")

local perk_fns = dofile_once("mods/quant.ew/files/core/perk_fns.lua")

local version = dofile_once("mods/quant.ew/files/version.lua") or "unknown (dev build)"
print("Noita EW version: "..version)

dofile_once("data/scripts/lib/coroutines.lua")

ModLuaFileAppend("data/scripts/gun/gun.lua", "mods/quant.ew/files/resource/append/gun.lua")
ModLuaFileAppend("data/scripts/gun/gun_actions.lua", "mods/quant.ew/files/resource/append/action_fix.lua")

ModMagicNumbersFileAdd("mods/quant.ew/files/magic.xml")

np.CrossCallAdd("ew_per_peer_seed", function()
    return tonumber(string.sub(ctx.my_id, 8, 12), 16), tonumber(string.sub(ctx.my_id, 12), 16)
end)

np.CrossCallAdd("ew_spectator", function()
    if ctx.spectating_over_peer_id == nil then
        return ctx.my_player.entity or EntityGetWithTag("player_unit")[1]
    else
        return ctx.players[ctx.spectating_over_peer_id].entity
    end
end)

local function load_modules()
    ctx.load_system("ewext_init")

    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/item_sync.lua")

    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/player_sync.lua")
    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/enemy_sync.lua")


    if ctx.proxy_opt.game_mode == "shared_health" then
        ctx.load_system("damage")
        ctx.load_system("heart_pickups")
        ctx.load_system("patch_meat_biome")
        ctx.load_system("kivi_patch")
    end
    if ctx.proxy_opt.game_mode == "local_health" then
        ctx.load_system("local_health")
        ctx.load_system("notplayer_ai")
        ctx.load_system("spectator_helps")
        ctx.load_system("end_fight")
    end


    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/nickname.lua")

    if ctx.proxy_opt.debug then
        ctx.dofile_and_add_hooks("mods/quant.ew/files/system/debug.lua")
    end

    ctx.load_system("fungal_shift")
    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/weather_sync.lua")
    ctx.load_system("polymorph")

    ctx.load_system("world_sync")

    ctx.load_system("spawn_hooks")
    ctx.dofile_and_add_hooks("mods/quant.ew/files/system/proxy_info.lua")
    ctx.load_system("perk_patches")

    if ctx.proxy_opt.player_tether then
        ctx.load_system("player_tether")
    end

    ctx.load_system("kolmi")
    ctx.load_system("ending")
    ctx.load_system("spell_patches")
    ctx.load_system("enemy_scaling")

    ctx.load_system("patch_dragon_boss")

    ctx.load_system("player_arrows")
    ctx.load_system("player_ping")
    ctx.load_system("extra_genomes")
    ctx.load_system("game_effect_sync")
    ctx.load_system("orb_sync")
    ctx.load_system("flag_sync")
    ctx.load_system("essence_sync")
    ctx.load_system("spectate")
    ctx.load_system("effect_data_sync")
    ctx.load_system("gen_sync")
    ctx.load_system("karl")
    ctx.load_system("remove_wand_sound")
    if ctx.proxy_opt.randomize_perks then
        ctx.load_system("randomize_perks")
    end
    ctx.load_system("streaming_sync")
    ctx.load_system("random_start")
    ctx.load_system("worms")
    ctx.load_system("wand_charm")
end

local function load_extra_modules()
    print("Starting to load extra stuff")
    for _, file in ipairs(ModLuaFileGetAppends("mods/quant.ew/files/api/extra_modules.lua")) do
        ctx.dofile_and_add_hooks(file)
    end
end

local function is_suitable_target(entity)
    return EntityGetIsAlive(entity) and not EntityHasTag(entity,"ew_notplayer")
end

function OnProjectileFired(shooter_id, projectile_id, initial_rng, position_x, position_y, target_x, target_y, send_message,
    unknown1, multicast_index, unknown3)
    ctx.hook.on_projectile_fired(shooter_id, projectile_id, initial_rng, position_x, position_y, target_x, target_y, send_message, unknown1, multicast_index, unknown3)
    if not EntityHasTag(shooter_id, "player_unit") and not EntityHasTag(shooter_id, "ew_client") then
        return -- Not fired by player, we don't care about it (for now?)
    end
    EntityAddTag(projectile_id, "ew_no_enemy_sync")
    local projectileComponent = EntityGetFirstComponentIncludingDisabled(projectile_id, "ProjectileComponent")
    local entity_that_shot
    if projectileComponent == nil then
        entity_that_shot = GameGetWorldStateEntity()
    else
        entity_that_shot = ComponentGetValue2(projectileComponent, "mEntityThatShot")
    end

    local shooter_player_data = player_fns.get_player_data_by_local_entity_id(shooter_id)
    local rng = 0
    -- Was shot locally
    if shooter_id == ctx.my_player.entity then
        -- If it was an initial shot by host
        if (entity_that_shot == 0 and multicast_index ~= -1 and unknown3 == 0) then
            rng = initial_rng
            table.insert(shooter_player_data.projectile_rng_init, rng)
        else
            rng = (shooter_player_data.projectile_seed_chain[entity_that_shot] or 0) + 25
        end
    else
        if (entity_that_shot == 0 and multicast_index ~= -1 and unknown3 == 0) then
            if #shooter_player_data.projectile_rng_init > 0 then
                rng = table.remove(shooter_player_data.projectile_rng_init, 1)
            else
                -- Shouldn't happen
                rng = 0
            end
        else
            rng = (shooter_player_data.projectile_seed_chain[entity_that_shot] or 0) + 25
        end
    end
    shooter_player_data.projectile_seed_chain[projectile_id] = rng
    np.SetProjectileSpreadRNG(rng)
end

function OnProjectileFiredPost(shooter_id, projectile_id, rng, position_x, position_y, target_x, target_y, send_message,
    unknown1, multicast_index, unknown3)
end

function OnPausedChanged(paused, is_wand_pickup)
    ctx.is_wand_pickup = is_wand_pickup
    local players = EntityGetWithTag("player_unit") or {}

    if (players[1]) then
        np.RegisterPlayerEntityId(players[1])
        --local inventory_gui = EntityGetFirstComponentIncludingDisabled(players[1], "InventoryGuiComponent")
        local controls_component = EntityGetFirstComponentIncludingDisabled(players[1], "ControlsComponent")
        if (paused) then
            --EntitySetComponentIsEnabled(players[1], inventory_gui, false)
            np.EnableInventoryGuiUpdate(false)
            np.EnablePlayerItemPickUpper(false)
            ComponentSetValue2(controls_component, "enabled", false)
        else
            --EntitySetComponentIsEnabled(players[1], inventory_gui, true)
            np.EnableInventoryGuiUpdate(true)
            np.EnablePlayerItemPickUpper(true)
            ComponentSetValue2(controls_component, "enabled", true)
        end
    end
end

function OnWorldInitialized() -- This is called once the game world is initialized. Doesn't ensure any world chunks actually exist. Use OnPlayerSpawned to ensure the chunks around player have been loaded or created.
    if ctx.is_host then
        GameAddFlagRun("ew_flag_this_is_host")
    else
        GameRemoveFlagRun("ew_flag_this_is_host")
    end
    ctx.hook.on_world_initialized()
end



function OnPlayerSpawned( player_entity ) -- This runs when player entity has been created
    print("Initial player entity: "..player_entity)

    if GlobalsGetValue("ew_player_count", "") == "" then
        GlobalsSetValue("ew_player_count", "1")
    end

    local x, y = EntityGetTransform(player_entity)
    ctx.initial_player_pos = {x=x, y=y}

    local my_player = player_fns.make_playerdata_for(player_entity, ctx.my_id)
    ctx.players[ctx.my_id] = my_player
    ctx.player_data_by_local_entity[player_entity] = my_player
    ctx.ready = true
    ctx.my_player = my_player

    EntityAddTag(player_entity, "ew_peer")

    if not GameHasFlagRun("ew_flag_notplayer_active") then
        EntityAddComponent2(player_entity, "LuaComponent", {script_wand_fired = "mods/quant.ew/files/resource/cbs/count_times_wand_fired.lua"})
    end

    net.send_welcome()

    local item_pick = EntityGetFirstComponentIncludingDisabled(player_entity, "ItemPickUpperComponent")
    ComponentSetValue2(item_pick, "is_immune_to_kicks", true)

    ctx.hook.on_local_player_spawn(my_player)
    ctx.hook.on_should_send_updates()

    GamePrint("Noita Entangled Worlds version "..version)

    OnPausedChanged(false, false)

    print("Game state entity: "..GameGetWorldStateEntity())

    if not GameHasFlagRun("ew_flag_notplayer_active") then
        player_cosmetics(player_entity)
        player_color(player_entity)
    else
        EntityInflictDamage(player_entity, 1000000, "DAMAGE_CURSE", "dont rejoin", "NONE", 0, 0, GameGetWorldStateEntity())
        GameAddFlagRun("ew_kill_player")
    end
    if ctx.host_id == ctx.my_id then
        np.MagicNumbersSetValue("STREAMING_CHUNK_TARGET", ctx.proxy_opt.chunk_target)
    end
    local controls_component = EntityGetFirstComponentIncludingDisabled(player_entity, "ControlsComponent")
    ComponentSetValue2(controls_component, "enabled", true)
end

local function change_homing(x, y)
    for _, proj in pairs(EntityGetInRadiusWithTag(x, y, 512, "player_projectile")) do
        local homing = EntityGetFirstComponentIncludingDisabled(proj, "HomingComponent")
        if homing ~= nil then
            local projcom = EntityGetFirstComponentIncludingDisabled(proj, "ProjectileComponent")
            if projcom ~= nil then
                local whoshot = ComponentGetValue2(projcom, "mWhoShot")
                if EntityHasTag(whoshot, "ew_notplayer") or GameHasFlagRun("ending_game_completed") then
                    ComponentSetValue2(homing, "target_tag", "ew_peer")
                end
            end
        end
    end
end

local function on_world_pre_update_inner()
    if ctx.my_player == nil or ctx.my_player.entity == nil then return end

    GlobalsSetValue("ew_player_rng", tostring(GameGetFrameNum()))

    net.update()

    local inventory_gui_comp = EntityGetFirstComponentIncludingDisabled(ctx.my_player.entity, "InventoryGuiComponent")
    if inventory_gui_comp and inventory_gui_comp ~= 0 then
        local inventory_open = ComponentGetValue2(inventory_gui_comp, "mActive")
        if ctx.is_inventory_open and not inventory_open then
            ctx.events.inventory_maybe_just_changed = true
        end
        ctx.is_inventory_open = inventory_open
    end

    if GameGetFrameNum() % 120 == 0 and not ctx.run_ended then
        player_fns.respawn_if_necessary()
    end

    if ctx.events.new_player_just_connected or ctx.events.inventory_maybe_just_changed or (GameGetFrameNum() % 5 == 0 and inventory_helper.has_inventory_changed(ctx.my_player)) then
        local inventory_state = player_fns.serialize_items(ctx.my_player)
        if inventory_state ~= nil then
            net.send_player_inventory(inventory_state)
        end
    end

    -- Perk sync
    if GameGetFrameNum() % 120 == 0 and not ctx.run_ended then
        local perk_data = perk_fns.get_my_perks()
        if perk_data ~= nil then
            net.send_player_perks(perk_data)
        end
    end

    if not ctx.run_ended then
        if ctx.is_host then
            ctx.hook.on_world_update_host()
        else
            ctx.hook.on_world_update_client()
        end
        ctx.hook.on_world_update()
    end

    if GameGetFrameNum() % 4 == 0 then
        local x, y = EntityGetTransform(ctx.my_player.entity)
        if x ~= nil then
            change_homing(x, y)
        end
    elseif GameGetFrameNum() % 4 == 1 then
        local x, y = EntityGetTransform(ctx.my_player.entity)
        local cx, cy = GameGetCameraPos()
        if x ~= nil and cx ~= nil then
            if math.abs(x - cx) > 256 or math.abs(y - cy) > 256 then
                change_homing(cx, cy)
            end
        end
    end

    wake_up_waiting_threads(1)
end

function OnWorldPreUpdate() -- This is called every time the game is about to start updating the world
    util.tpcall(on_world_pre_update_inner)
end

local function on_world_post_update_inner()
    if ctx.my_player == nil or ctx.my_player.entity == nil then return end

    if not ctx.run_ended then
        ctx.hook.on_world_update_post()
    end

    local times_wand_fired = tonumber(GlobalsGetValue("ew_wand_fired", "0"))
    GlobalsSetValue("ew_wand_fired", "0")
    if times_wand_fired > 0 then
        local inventory_component = EntityGetFirstComponentIncludingDisabled(ctx.my_player.entity, "Inventory2Component")
        if inventory_component == nil then
            return
        end
        local last_switch = ComponentGetValue2(inventory_component, "mLastItemSwitchFrame")
        local switched_now = last_switch == GameGetFrameNum()

        local special_seed = tonumber(GlobalsGetValue("ew_player_rng", "0"))
        local fire_data = player_fns.make_fire_data(special_seed, ctx.my_player)
        if fire_data ~= nil then
            if switched_now then
                fire_data.switched_now = true
            end
            net.send_fire(fire_data)
        end
    end
end

function OnWorldPostUpdate() -- This is called every time the game has finished updating the world
    util.tpcall(on_world_post_update_inner)
    ctx.events = {}
end

function register_localizations(translation_file, clear_count)

    clear_count = clear_count or 0

    local loc_content = ModTextFileGetContent("data/translations/common.csv") -- Gets the original translations of the game

    local append_content = ModTextFileGetContent(translation_file) -- Gets my own translations file

    -- Split the append_content into lines
    local lines = {}
    for line in append_content:gmatch("[^\n]+") do
        table.insert(lines, line)
    end

    -- Remove the first clear_count lines
    for i = 1, clear_count do
        table.remove(lines, 1)
    end

    -- Reconstruct append_content after removing clear_count lines
    local new_append_content = table.concat(lines, "\n")

    -- if loc_content does not end with a new line, add one
    if not loc_content:match("\n$") then
        loc_content = loc_content .. "\n"
    end

    -- Concatenate loc_content and new_append_content without extra newline character
    local new_content = loc_content .. new_append_content .. "\n"

    -- Set the new content to the file
    ModTextFileSetContent("data/translations/common.csv", new_content)
end

function OnModPreInit()
    register_localizations("mods/quant.ew/translations.csv", 1)
    ctx.init()
    net.init()

    load_modules()

    print("Entangled worlds init ok")
end

function OnModInit()
    load_extra_modules()
end

function OnModPostInit()
    ctx.hook.on_late_init()
end

function OnPlayerDied(player_entity)
    ctx.hook.on_player_died(player_entity)
    print("player died")
end