local Y=require("yaru.core")
local gfx=require("yaru.gfx")
local ui=require("yaru.ui")
local T=require("yaru.tasks")
local unicode=require("unicode")
local M={}
local PRESETS={{"every 5","Every 5 minutes"},{"every 30","Every 30 minutes"},{"every 60","Every hour"},
{"at 09:00","Daily at 09:00"},{"login","At login"}}

function M.open()
local st={list=T.load()}
local win=Y.newWindow{app="scheduler",title="Scheduled Tasks",w=92,h=26,minW=64,minH=12}
local function save()T.save(st.list)end
local function add()
Y.dialog{title="New Task",text="Command to run (as in Terminal)",entry="backup",buttons={{"Cancel"},{"Next",function(cmd)
if not cmd or cmd==""then return end
local items={}
for _,p in ipairs(PRESETS)do
items[#items+1]={p[2],function()
st.list[#st.list+1]={name=cmd:match("^%S+"),cmd=cmd,when=p[1],on=true,notify=true}
save()
end}
end
items[#items+1]={"Custom…",function()
Y.dialog{title="Schedule",text="“every N” (minutes), “at HH:MM” or “login”",entry="every 15",
buttons={{"Cancel"},{"Add",function(w2)
if w2 and(w2:match("^every %d+$")or w2:match("^at %d%d?:%d%d$")or w2=="login")then
st.list[#st.list+1]={name=cmd:match("^%S+"),cmd=cmd,when=w2,on=true,notify=true}
save()
else Y.notify("Scheduled Tasks","Unknown schedule: "..tostring(w2))end
end,"suggested"}}}
end}
Y.menu(win.x+20,win.y+4,items)
end,"suggested"}}}
end
function win.header(w,hw)ui.button(w,2,1,"+ Add Task",add,"suggested")end
function win.draw(w,cw,ch)
local t=Y.theme
st.list=T.load()
if#st.list==0 then
Y.drawIcon((cw-8)//2,ch//2-6,"scheduler")
local s="No tasks. Add one, e.g. `backup` every hour or a redstone script at 18:00."
gfx.text((cw-unicode.len(s))//2,ch//2,s,t.dim)
return
end
for i,task in ipairs(st.list)do
local y=1+(i-1)*3
if y+2>ch then break end
ui.round(2,y,cw-3,2,t.card)
gfx.text(4,y,ui.trunc(task.name.."  ·  "..T.describe(task),cw-40),t.fg,t.card)
gfx.text(4,y+1,ui.trunc("$ "..task.cmd,cw-40),t.dim,t.card)
local res=task.result or"never run"
gfx.text(cw-34,y+1,ui.trunc(res,14),res:match("^failed")and t.danger or t.dim,t.card)
ui.switch(w,cw-34,y,task.on,function()task.on=not task.on;save()end)
ui.button(w,cw-19,y,"Run",function()T.run(Y,task);save()end,nil,7)
ui.button(w,cw-11,y,"Delete",function()table.remove(st.list,i);save()end,"flat",8)
end
gfx.text(2,ch,"Runs while the desktop is running · output appended to /tmp/tasks.log",t.dim)
end
win.tickInterval=5
function win.tick(w)Y.redraw(w)end
return win
end

return M