local path_finder = require("pathfinder_core")
local json = require("json")
local player = require("player")
local threads = require("threads")
path_finder.jumpHeight = 1
path_finder.maxNodes = 50000
path_finder.fallDepth = 3
local homes = {}

local function getFile(flag)
    return io.open("config/neoscripts/homes.json", flag)
end

local file = getFile("r")
if file then
    local content = file:read("*a")
    if content then
        homes = json.decode(content)
    end
    file:close()
end
if homes == nil then
    homes = {}
end

registerCommand("sethome",
    function(commandName, args)
        local name = args[1] or "home"
        homes[name] = {
            name = name,
            pos = {
                x = player.entity.x,
                y = player.entity.y,
                z = player.entity.z,
            }
        }
        local file2 = getFile("w")
        if file2 then
            file2:write(json.encode(homes, true))
            file2:close()
        end
    end,
    function(info)
        return {}
    end
)

local target = nil
local currentIndex = 1
local globalPath = nil
local searchLock = false

registerClientTick(function()
    if target then
        -- Если нет текущего пути или он закончился, и поиск не активен – запускаем новый поиск
        if (globalPath == nil or currentIndex > #globalPath) and not searchLock and not path_finder.isSearching() then
            searchLock = true
            threads.startThread(function()
                path_finder.findPath({ x = target.pos.x, y = target.pos.y + 1, z = target.pos.z },
                    function(path, err)
                        searchLock = false
                        if path then
                            globalPath = path
                            currentIndex = 1
                            print("Path found")
                        elseif err == "no path found — partial path returned" then
                            globalPath = path
                            currentIndex = 1
                            print("Path found")
                        elseif err == "no path found" then
                            print("Path not found")
                            globalPath = nil
                            currentIndex = 1
                            target = nil
                        end
                    end)
            end)
        end

        -- Если есть путь и есть точки – телепортируемся
        if globalPath and currentIndex <= #globalPath then
            local point = globalPath[currentIndex]
            player.entity.teleport(point.x + 0.5, point.y, point.z + 0.5, true)
            currentIndex = currentIndex + 1

            -- Проверяем, не закончился ли путь
            if currentIndex > #globalPath then
                local dist = math.sqrt(
                    (player.entity.x - target.pos.x) ^ 2 +
                    (player.entity.y - target.pos.y) ^ 2 +
                    (player.entity.z - target.pos.z) ^ 2
                )
                if dist < 1.5 then
                    -- Достигли цели
                    player.addMessage("§9You have reached your home: §5" .. target.name)
                    target = nil
                    globalPath = nil
                else
                    -- Не достигли – будем искать новый путь с текущей позиции
                    globalPath = nil
                    currentIndex = 1
                    -- На следующем тике автоматически запустится новый поиск
                end
            end
        end
    end
end)

registerCommand("home",
    function(commandName, args)
        local name = args[1] or "home"
        if not homes[name] then
            print("home not found")
            return
        end
        print("setting home: " .. name)
        player.addMessage("§9Teleporting to home: §5" .. name)
        target = homes[name]
        -- Сбрасываем старый путь при новом задании
        globalPath = nil
        currentIndex = 1
        searchLock = false
    end,
    function(info)
        return {}
    end
)

registerCommand("homes",
    function(commandName, args)
        player.addMessage("§9List homes:")
        for key, home in pairs(homes) do
            player.addMessage("§5" .. key)
        end
    end,
    function(info)
        return {}
    end
)