-- =========================================================
-- Killer - 多人潜行刺杀游戏
-- 入口脚本：注册游戏初始化事件，串联所有模块
-- =========================================================

-- 预加载所有模块
local GameManager  = require 'core.game_manager'
local PlayerMgr    = require 'core.player_manager'
local NpcMgr       = require 'core.npc_manager'
local ModeMgr      = require 'core.mode_manager'
local TimerMgr     = require 'core.timer_manager'
local Suspicion    = require 'systems.suspicion'
local Disguise     = require 'systems.disguise'
local Corpse       = require 'systems.corpse'
local Assassination = require 'systems.assassination'
local ItemSpawner  = require 'systems.item_spawner'
local Circle       = require 'systems.circle'
local NpcBehavior  = require 'ai.npc_behavior'
local HUD          = require 'ui.hud'
local ProfBase     = require 'profession.base'

-- 加载所有职业（注册到 base 中）
require 'profession.shadow_blade'
require 'profession.mimic'
require 'profession.eagle_eye'
require 'profession.surgeon'
require 'profession.phantom'
require 'profession.hound'

-- =========================================================
-- 游戏初始化
-- =========================================================
clicli.game:event('游戏-初始化', function(trg, data)
    local seed = os.time()
    clicli.game.set_random_seed(seed)

    TimerMgr.start()
    GameManager.init()
    NpcBehavior.start()
    HUD.start()
end)

-- =========================================================
-- 全局事件注册
-- =========================================================

-- 单位死亡事件
clicli.game:event('游戏-初始化', function()
    clicli.game:subscribe_event('单位-死亡', function(trg, data)
        local dead   = data.dead_unit
        local killer = data.killer_unit
        if dead and dead:has_tag('player_controlled') then
            PlayerMgr.on_player_killed(killer, dead)
        end
    end)
end)

-- 职业技能施法事件
clicli.game:event('游戏-初始化', function()
    clicli.game:subscribe_event('技能-施法开始', function(trg, data)
        local unit = data.unit
        if unit and unit:has_tag('player_controlled') then
            ProfBase.on_ability_cast(unit, data.ability)
        end
    end)
end)

-- =========================================================
-- 玩家输入事件（键盘按键映射）
-- =========================================================
clicli.game:event('游戏-初始化', function()
    -- 刺杀键 (示例绑定)
    clicli.game:subscribe_event('键盘-按下', function(trg, data)
        local player = data.player
        if not player then return end

        local pd = nil
        for _, p in ipairs(PlayerMgr.get_all_player_units()) do
            if p.player == player then pd = p; break end
        end
        if not pd or not pd.alive then return end

        local key = data.key

        -- F键：刺杀最近目标
        if key == 'F' then
            local area = clicli.area.create_circle_area(pd.unit:get_point(), 3.0)
            local nearby = area:get_all_unit_in_area()
            area:remove()

            local best_target = nil
            for _, u in ipairs(nearby) do
                if u ~= pd.unit and u:is_alive() then
                    best_target = u
                    break
                end
            end
            if best_target then
                Assassination.attempt(pd.unit, best_target)
            end

        -- E键：互动/换装/藏尸
        elseif key == 'E' then
            -- 优先尝试藏尸
            if pd.unit:storage_get('is_dragging') then
                if not Corpse.try_hide(pd.unit) then
                    Corpse.drop_corpse(pd.unit)
                end
                return
            end

            -- 尝试换装（对附近尸体）
            local area = clicli.area.create_circle_area(pd.unit:get_point(), 2.5)
            local nearby = area:get_all_unit_in_area()
            area:remove()
            for _, u in ipairs(nearby) do
                if u:has_tag('corpse') and not u:has_tag('hidden') then
                    if Disguise.start_disguise(pd.unit, u) then
                        return
                    end
                end
            end

            -- 尝试互动点
            Disguise.try_player_interact(pd.unit)

        -- G键：拖拽尸体
        elseif key == 'G' then
            if pd.unit:storage_get('is_dragging') then
                Corpse.drop_corpse(pd.unit)
            else
                local area = clicli.area.create_circle_area(pd.unit:get_point(), 2.5)
                local nearby = area:get_all_unit_in_area()
                area:remove()
                for _, u in ipairs(nearby) do
                    if u:has_tag('corpse') and not u:has_tag('hidden') then
                        if Corpse.start_drag(pd.unit, u) then
                            break
                        end
                    end
                end
            end
        end
    end)
end)