# Plot one month's heat battery input day-by-day.
# Show as stacked bars of diversion and top-up from grid.
# Plot in banner (800x200) format.

# Input of form:
##Eddi daily stats summary in kWh; definitely partial if h lt 24
##UTCISOdate,h,h1d,h1b,imp,exp
#2022-03-01,24,0,0,4.843,0.054
#2022-03-02,24,0,0,6.047,0.032
#...
#2022-03-28,24,3.744,0,1.265,3.554
#2022-03-29,24,1.651,0,1.549,0.414
#2022-03-30,24,1.506,0.646,2.119,0.37
#2022-03-31,24,4.866,0.281,1.513,0.647
##2022-03,744,78.048,11.26,78.915,58.538

set timefmt "%Y-%m-%d"
set datafile missing "-"
set datafile separator ","

# Draw main PNG output.
set output "out/tmp/_heatbatteryinput.tmp.png"
set terminal png small size 800,200
set format x "%Y-%m-%d"
#set title "Heat Battery Input kWh"
#set label "Heat Battery Input kWh." ".xmaxst at screen 1, screen .3 right
set label "Heat Battery Input" at screen 1, screen .5 right
set key outside
set key right
#set key box
set border
#set lmargin 1.5
unset lmargin
#set rmargin 30
set rmargin 20
set tmargin 0.5
set bmargin 5.5
set grid
#set xtics rotate by 45 offset -3, -3
#set xtics rotate by -45 offset character 0, 0 
set xtics rotate
set format y "%gkWh"
#set xtics
set ytics

set style data histograms
set style histogram rowstacked
set boxwidth 1 relative
set style fill solid 1.0 border -1
plot ".work/_heatbatteryinput.tmp.csv" using 4 title "Boost", \
    "" using 3:xticlabels(1) title "Divert"