require 'Cdi'
require "pp"

puts "# BEGIN RUBY TEST ====================================#"
ifile = ARGV[0].nil? ? "../mulval.nc" : ARGV[0]

puts "Reading file: #{ifile}"
cdi = Cdi.new(ifile);

puts "Stream: #{cdi.streamID} vlistID:#{cdi.vlistID} nvars:#{cdi.nvars}"

puts "#========== TAXES ====================================#"
cdi.taxes.each {|k,v| 
  puts k.to_s+": " + cdi.taxes[k].ntsteps.to_s
}
puts "#========== GRIDS ====================================#"
cdi.grids.each {|k,v| 
  puts [k.to_s+": ",
        v.size.to_s,
        v.xname,
        v.yname,
        v.ylongname].join(" ")
}

puts "#========== ZAXES ====================================#"
cdi.zaxes.each {|k,v|
  puts [k.to_s+": ",
        cdi.zaxes[k].size.to_s,
        cdi.zaxes[k].name,
        cdi.zaxes[k].units].join(" ")
}

puts "#========== VARIABLES ================================#"
cdi.variables.each_with_index {|k,i|
  print(k.name[0,5], ' ', k.size.to_s, ' ', k.missval, "\n")
}

puts "#========== VARNAMES =================================#"
puts cdi.varnames.sort.join(" ")
puts cdi.varnames.grep(/max/).join(" <-> ")

puts "#========== VARIABLE.NAME =================================#"
puts cdi.variables.collect {|v| v.longname }.join("-")
puts cdi.variables.collect {|v| v.units }.join("-")

puts "#========== VAR by index ======================================#"
var = cdi.variables[1]
var.getValues()
val = var.values
pp val[0..5]
puts "#========= Var by name ===============================#"
name ="tsurf"
newvar = cdi.var[name]
puts "name ",name," var.name: ", newvar.name, " var.grids.xsize: " , newvar.grid.xsize
puts "#========= Var by code ===============================#"
code = 169
newvar = cdi.varByCode[code]
newvar.sinfo
puts "# END RUBY TEST ======================================#"