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local ourname = "ac.kst"
local stock=require"shop2.stock"
local function printseq(m) return function(q)
for _,v in ipairs(q) do
if type(v) == "number" then
m.setTextColor(v)
elseif type(v) == "string" then
m.write(v)
elseif type(v) == "table" then
if #v == 2 then
-- position
m.setCursorPos(v[1],v[2])
else
error("unknown format")
end
end
end
end end
local function pad(s,n)
s=tostring(s)
local l = #s
local p = string.rep(" ",math.max(0,n-l))
return p..s
end
local function centre(s,w)
s=tostring(s)
local l = #s
local p = math.floor(math.max(0,w-l)/2)
return string.rep(" ",p)..s
end
local function disp_shopscreen(items)
-- i don't like how hardcoded all the spacing is in this
-- but i also don't feel like rewriting it yet.
local mon = peripheral.find"monitor"
local si = stock.take_stock()
-- Stock Price Adr. Name
-- xxxx xxxkst dmn Diamond
-- 123456789012345678901234567890123456789012345678901234567
-- 0 1 2 3 4 5
-- sort alphabetically by address
-- todo: more intuitive sort, once more things are for sale
local adrs = {}
for adr in pairs(items) do table.insert(adrs,adr) end
table.sort(adrs)
-- took stock before clear, to avoid flickering
mon.clear()
mon.setTextScale(1)
local w,h = mon.getSize()
printseq(mon) {
{1,1}, colors.orange, centre("BEE MART",w),
{1,2}, colors.lightGray, "Stock Price Adr. Name",
}
local function fmt_row(y, idesc, amt)
colour = idesc.colour or colors.white
printseq(mon) {
{1,y}, colors.white, pad(amt,5),
{8,y}, colors.yellow, pad(idesc.price,3), colors.lightGray, "kst",
{16,y}, colour, idesc.adr,
{22,y}, colour, idesc.hname,
}
end
for ix,adr in ipairs(adrs) do
local idesc = items[adr]
local amt = stock.amt_of(si,idesc)
fmt_row(ix+2, idesc,amt)
end
printseq(mon) {
{1,h-1}, colors.blue, centre("/pay <adr>@"..ourname.." <amount>",w)
}
end
local items = require"shop2.items"
local function run()
while true do
disp_shopscreen(items)
os.sleep(2)
end
end
return {run=run}
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