-- COVID-19 Tracker for CC
-- Cases Charts
-- API: corona.lmao.ninja
-- Source: JHUCSSE
-- Program by Lemmmy - GPLv3

local util = require("covid19.util")
local gfx = require("covid19.gfx")
local Plot = require("covid19.plot")

local FOOTER = "By Lemmmy  -  Updates every 15 mins  -  API: corona.lmao.ninja"

local DATA_URL = "https://corona.lmao.ninja/v2/historical/all"
local CACHE_FILE = ".all-historical-cache.json"

local mon, w, h = util.handleMonitorArg(...)

local function main()
  mon.clear()

  -- prep screen
  gfx.drawFooter(mon, FOOTER)
  local centerY = gfx.drawLoading(mon)

  -- fetch data
  local data = util.cachedJSONRequest(DATA_URL, CACHE_FILE)
  gfx.clearLoading(mon, centerY)

  local casesPlot = Plot.new(mon, 3, 2, w - 13, 9, "Daily confirmed cases", colours.orange)
  local deathsPlot = Plot.new(mon, 3, 19, w - 13, 9, "Daily deaths", colours.red)
  local recoveriesPlot = Plot.new(mon, 3, 36, w - 13, 9, "Daily recoveries", colours.green)

  casesPlot:addData(util.processCumulativeHistoricalData(data.cases))
  deathsPlot:addData(util.processCumulativeHistoricalData(data.deaths))
  recoveriesPlot:addData(util.processCumulativeHistoricalData(data.recovered))

  casesPlot:draw()
  deathsPlot:draw()
  recoveriesPlot:draw()
end

util.mainLoop(main)