-- Inventory Manager - Opus autorun script
-- Detects configured role and launches the appropriate program at boot

local fs         = _G.fs
local kernel     = _G.kernel
local os         = _G.os
local peripheral = _G.peripheral
local shell      = _ENV.shell

local BASE = 'packages/inventory-manager'
local CFG  = 'usr/config/inventory-manager'

-------------------------------------------------
-- Determine role from config files written during install
-------------------------------------------------

local function cfgExists(name)
    return fs.exists(fs.combine(CFG, name))
        or fs.exists(fs.combine(BASE, name))
end

local role
if cfgExists('.manager_config') then
    role = 'manager'
elseif cfgExists('.client_config') then
    role = 'client'
elseif cfgExists('.webbridge_config') then
    role = 'bridge'
elseif cfgExists('.miner_config') then
    role = 'miner'
elseif _G.turtle then
    role = 'turtle'
end

if not role then return end

-------------------------------------------------
-- Register reboot listener as a kernel hook
-- Allows remote reboot via modem (channel 4205)
-------------------------------------------------

local SYSTEM_CHANNEL = 4205

local modem = peripheral.find('modem')
if modem then
    modem.open(SYSTEM_CHANNEL)

    kernel.hook('modem_message', function(_, data)
        -- data = { side, channel, replyChannel, message, distance }
        if data[2] == SYSTEM_CHANNEL
           and type(data[4]) == 'table'
           and data[4].type == 'reboot'
        then
            local target = data[4].target or 'all'
            if target == 'all'
               or target == role
               or target == tostring(os.getComputerID())
            then
                os.reboot()
            end
        end
    end)
end

-------------------------------------------------
-- Launch the program for this role
-------------------------------------------------

local programs = {
    manager = 'inventoryManager.lua',
    client  = 'inventoryClient.lua',
    bridge  = 'inventoryWebBridge.lua',
    turtle  = 'craftingTurtle.lua',
    miner   = 'miningTurtle.lua',
}

local program = fs.combine(BASE, programs[role])

if shell.openForegroundTab then
    shell.openForegroundTab(program)

    -- Client role also runs the dropper controller
    if role == 'client' then
        local dropper = fs.combine(BASE, 'dropperController.lua')
        if fs.exists(dropper) then
            shell.openTab(dropper)
        end
    end
else
    -- No multishell — run directly (blocks boot)
    shell.run(program)
end