Groups of requests

/silent-command
function checking_schedule(train, station_name)
    schedule = train.schedule
    if schedule then
        records = schedule.records
        for i = 1, #records do
            if records[i].station == station_name then
                return true
            end
        end
    end
    return false
end

function change_request_for_availability_of_items(request, items)
    for i = 1, #request do
        if not items[request[i].signal.name] then
            request[i].count = 0
        end
    end
end

function process_group_of_requests(requests)
    for _, train in pairs(force.get_trains()) do
        if train.manual_mode == false then
            for j = 1, #requests do
                if checking_schedule(train, requests[j].station_name) then
                    for k, v in pairs(train.get_contents()) do
                        requests[j].available_items[k] = (v > 0)
                    end
                end
            end
        end
    end

    for j = 1, #requests do
        requests[j].available_items["signal-G"] = true
        for _, v in pairs(requests[j].requests) do
            change_request_for_availability_of_items(v, requests[j].available_items)
        end
    end

    for _, entity in pairs(
        game.surfaces["nauvis"].find_entities_filtered {name = {"constant-combinator"}, force = force}
    ) do
        control_behavior = entity.get_control_behavior()
        if control_behavior then
            local par = control_behavior.parameters
            for i = 1, #par do
                if par[i].signal.name == "signal-G" then
                    local c = par[i]["count"]
                    for j = 1, #requests do
                        if requests[j].requests[c] ~= nil then
                            entity.get_control_behavior().parameters = requests[j].requests[c]
                            goto go_next
                        end
                    end
                end
            end
        end
        ::go_next::
    end
end

function request_clone(request)
    local new_request = {}
    for i = 1, #request do
        new_request[i] = {
            signal = {type = request[i].signal.type, name = request[i].signal.name},
            count = request[i].count,
            index = request[i].index
        }
    end
    return new_request
end

function requests_clone(requests)
    local new_requests = {}
    new_requests.available_items = {}
    new_requests.station_name = requests.station_name
    new_requests.requests = {}
    for k, v in pairs(requests.requests) do
        new_requests.requests[k] = request_clone(v)
    end
    return new_requests
end

local mine_group_1 = -100001
local mine_group_2 = -100002
local mine_group_3 = -100003

local flamewall_group_1 = -100010
local flamewall_group_2 = -100011

mine_requests = {
    available_items = {},
    station_name = "[L] MINE BUILDER [item=electric-mining-drill]",
    requests = {
        [mine_group_1] = {
            {signal = {type = "item", name = "electric-mining-drill"}, count = 30, index = 1},
            {signal = {type = "item", name = "speed-module"}, count = 20, index = 2},
            {signal = {type = "item", name = "rail-signal"}, count = 5, index = 3},
            {signal = {type = "item", name = "big-electric-pole"}, count = 5, index = 4},
            {signal = {type = "item", name = "medium-electric-pole"}, count = 10, index = 5},
            {signal = {type = "item", name = "small-electric-pole"}, count = 10, index = 6},
            {signal = {type = "item", name = "rail-chain-signal"}, count = 5, index = 7},
            {signal = {type = "item", name = "rail"}, count = 50, index = 8},
            {signal = {type = "item", name = "train-stop"}, count = 2, index = 9},
            {signal = {type = "item", name = "storage-tank"}, count = 5, index = 10},
            {signal = {type = "item", name = "pipe-to-ground"}, count = 20, index = 11},
            {signal = {type = "item", name = "landfill"}, count = 50, index = 12},
            {signal = {type = "item", name = "cliff-explosives"}, count = 20, index = 13},
            {signal = {type = "item", name = "repair-pack"}, count = 50, index = 14},
            {signal = {type = "item", name = "pump"}, count = 5, index = 15},
            {signal = {type = "item", name = "pipe"}, count = 30, index = 16},
            {signal = {type = "item", name = "beacon"}, count = 10, index = 17},
            {signal = {type = "item", name = "speed-module-3"}, count = 20, index = 18},
            {signal = {type = "item", name = "logistic-chest-storage"}, count = 3, index = 19},
            {signal = {type = "virtual", name = "signal-G"}, count = mine_group_1, index = 20}
        },
        [mine_group_2] = {
            {signal = {type = "item", name = "logistic-chest-buffer"}, count = 3, index = 1},
            {signal = {type = "item", name = "logistic-chest-active-provider"}, count = 3, index = 2},
            {signal = {type = "item", name = "stack-inserter"}, count = 20, index = 3},
            {signal = {type = "item", name = "stack-filter-inserter"}, count = 20, index = 4},
            {signal = {type = "item", name = "decider-combinator"}, count = 5, index = 5},
            {signal = {type = "item", name = "roboport"}, count = 2, index = 6},
            {signal = {type = "item", name = "radar"}, count = 2, index = 7},
            {signal = {type = "item", name = "fast-inserter"}, count = 10, index = 8},
            {signal = {type = "item", name = "arithmetic-combinator"}, count = 5, index = 9},
            {signal = {type = "item", name = "constant-combinator"}, count = 5, index = 10},
            {signal = {type = "item", name = "programmable-speaker"}, count = 3, index = 11},
            {signal = {type = "item", name = "transport-belt"}, count = 100, index = 12},
            {signal = {type = "item", name = "fast-transport-belt"}, count = 100, index = 13},
            {signal = {type = "item", name = "express-transport-belt"}, count = 100, index = 14},
            {signal = {type = "item", name = "wooden-chest"}, count = 15, index = 15},
            {signal = {type = "item", name = "splitter"}, count = 5, index = 16},
            {signal = {type = "item", name = "fast-splitter"}, count = 5, index = 17},
            {signal = {type = "item", name = "express-splitter"}, count = 5, index = 18},
            {signal = {type = "item", name = "underground-belt"}, count = 25, index = 19},
            {signal = {type = "virtual", name = "signal-G"}, count = mine_group_2, index = 20}
        },
        [mine_group_3] = {
            {signal = {type = "item", name = "fast-underground-belt"}, count = 25, index = 1},
            {signal = {type = "item", name = "express-underground-belt"}, count = 25, index = 2},
            {signal = {type = "item", name = "steel-chest"}, count = 15, index = 3},
            {signal = {type = "item", name = "laser-turret"}, count = 20, index = 4},
            {signal = {type = "item", name = "pumpjack"}, count = 2, index = 5},
            {signal = {type = "item", name = "substation"}, count = 1, index = 6},
            {signal = {type = "item", name = "filter-inserter"}, count = 1, index = 7},
            {signal = {type = "item", name = "roboport"}, count = 1, index = 8},
            {signal = {type = "virtual", name = "signal-G"}, count = mine_group_3, index = 20}
        }
    }
}

flamewall_requests = {
    available_items = {},
    station_name = "Dropoff Flamewall Supplies",
    requests = {
        [flamewall_group_1] = {
            {signal = {type = "item", name = "artillery-turret"}, count = 2, index = 1},
            {signal = {type = "item", name = "crude-oil-barrel"}, count = 50, index = 2},
            {signal = {type = "item", name = "flamethrower-turret"}, count = 10, index = 3},
            {signal = {type = "item", name = "assembling-machine-3"}, count = 1, index = 4},
            {signal = {type = "item", name = "speed-module-3"}, count = 4, index = 5},
            {signal = {type = "item", name = "constant-combinator"}, count = 25, index = 6},
            {signal = {type = "item", name = "arithmetic-combinator"}, count = 25, index = 7},
            {signal = {type = "item", name = "decider-combinator"}, count = 25, index = 8},
            {signal = {type = "item", name = "express-transport-belt"}, count = 50, index = 9},
            {signal = {type = "item", name = "small-lamp"}, count = 25, index = 10},
            {signal = {type = "item", name = "stack-filter-inserter"}, count = 25, index = 11},
            {signal = {type = "item", name = "filter-inserter"}, count = 25, index = 12},
            {signal = {type = "item", name = "stack-inserter"}, count = 25, index = 13},
            {signal = {type = "item", name = "logistic-chest-storage"}, count = 10, index = 14},
            {signal = {type = "item", name = "logistic-chest-requester"}, count = 10, index = 15},
            {signal = {type = "item", name = "logistic-chest-passive-provider"}, count = 10, index = 16},
            {signal = {type = "item", name = "logistic-chest-active-provider"}, count = 10, index = 17},
            {signal = {type = "item", name = "substation"}, count = 25, index = 18},
            {signal = {type = "item", name = "big-electric-pole"}, count = 25, index = 19},
            {signal = {type = "virtual", name = "signal-G"}, count = flamewall_group_1, index = 20}
        },
        [flamewall_group_2] = {
            {signal = {type = "item", name = "roboport"}, count = 10, index = 1},
            {signal = {type = "item", name = "repair-pack"}, count = 100, index = 2},
            {signal = {type = "item", name = "laser-turret"}, count = 100, index = 3},
            {signal = {type = "item", name = "stone-wall"}, count = 100, index = 4},
            {signal = {type = "item", name = "gate"}, count = 10, index = 5},
            {signal = {type = "item", name = "radar"}, count = 5, index = 6},
            {signal = {type = "item", name = "rail"}, count = 100, index = 7},
            {signal = {type = "item", name = "rail-signal"}, count = 25, index = 8},
            {signal = {type = "item", name = "rail-chain-signal"}, count = 10, index = 9},
            {signal = {type = "item", name = "construction-robot"}, count = 50, index = 10},
            {signal = {type = "item", name = "logistic-robot"}, count = 25, index = 11},
            {signal = {type = "item", name = "landfill"}, count = 50, index = 12},
            {signal = {type = "item", name = "cliff-explosives"}, count = 5, index = 13},
            {signal = {type = "item", name = "train-stop"}, count = 2, index = 14},
            {signal = {type = "item", name = "pipe"}, count = 100, index = 15},
            {signal = {type = "item", name = "pipe-to-ground"}, count = 50, index = 16},
            {signal = {type = "virtual", name = "signal-G"}, count = flamewall_group_2, index = 20}
        }
    }
}

function groups_of_requests(EventData)
    process_group_of_requests({requests_clone(mine_requests), requests_clone(flamewall_requests)})
end

force = game.player.force
script.on_nth_tick(3600, groups_of_requests)