from copy import deepcopy
from lxml import etree
import matplotlib.pyplot as plt
import numpy as np

# Wind power installed capacity and generation in Canada
# multilingual
# Production data from  https://fr.wikipedia.org/wiki/Énergie_éolienne_au_Canada
# installed  data from  https://en.wikipedia.org/wiki/Wind_power_in_Canada

data=[
# show_X, year, installed (MW), Production (GWh)
['x',2005 ,  680 , 1567 ] ,
[' ',2006 , 1460 , 2473 ] ,
[' ',2007 , 1846 , 3007 ] ,
[' ',2008 , 2349 , 3788 ] ,
[' ',2009 , 3304 , 6641 ] ,
['x',2010 , 3969 , 8724 ] ,
[' ',2011 , 5258 ,10187 ] ,
[' ',2012 , 6204 ,11310 ] ,
[' ',2013 , 7814 ,17963 ] ,
[' ',2014 , 9685 ,22538 ] ,
['x',2015 ,11204 ,26964 ] ,
[' ',2016 ,11902 ,30930 ] ,
[' ',2017 ,12250 ,31511 ] ,
[' ',2018 ,12816 ,33468 ] ,
[' ',2019 ,13413 ,32873 ] ,
['x',2020 ,13588 ,35761 ] ,
[' ',2021 ,14304 ,37293 ] ,
[' ',2022 ,15265 ,39474 ] ,
[' ',2023 ,16989 ,40506 ] ,
['x',2024 ,18435 ,46634 ] 
]
# please update in future.

show_yesno = np.array([row[0] for row in data])
all_years  = np.array([row[1] for row in data])
bar_labels = []

# show axis-labels only the years marked with 'x'
for i, yesNo in enumerate(show_yesno):
    if (yesNo == 'x'):
        bar_labels.append(all_years[i])
    else:
        bar_labels.append("")
        
data_installed      = np.array([row[2] for row in data])  # installed
data_generated      = np.array([row[3] for row in data])  # generated


fig = plt.figure()
ax1 = plt.gca()
ax2 = ax1.twinx()

plt.xticks(range(len(bar_labels)), bar_labels  )

plt.rcParams.update({'text.usetex':False, "svg.fonttype":"none", "font.size":13})

filename = "Wind_power_installed_capacity_and_generation_in_Canada.svg"
delta= "  "+ str(min(all_years)) + "-" + str(max(all_years))

labels = {'title': {"en":"Wind power in Canada " + delta,
                    "de":"Windenergie in Kanada" + delta,
                    "fr":"Énergie éolienne au Canada" + delta,
                    "it":"Energia eolica in Canada" + delta,
                    "pl":"Energetyka wiatrowa w Kanada" + delta,
                    "pt":"Energia eólica na Canadá" + delta,
                    "tr":"Kanada'da rüzgâr enerjisi" + delta,
                    "es":"Energía eólica en Canadá" + delta},
          "installed": {"en":"installed capacity (MW)",
                        "de":"installierte Leistung (MW)",
                        "es":"capacidad instalada (MW)",
                        "it":"Capacità installata (MW)",
                        "pl":"Moc zainstalowana (MW)",
                        "pt":"capacidade instalada (MW)",
                        "tr":"Kurulu kapasite (MW)" ,
                        "fr":"Puissance installée (MW)"},
          "generation": {"en":"generation (GWh)             ",
                         "de":"erzeugt (GWh)",
                         "es":"producción (GWh)",
                         "it":"Produzione (GWh)",
                         "pl":"Produkcja energii (GWh)"  ,
                         "pt":"produção energética (GWh)",
                         "tr":"Elektrik üretimi (GWh)" ,
                         "fr":"Production (GWh)"}
            }

width =0.3
ax1.bar(np.arange(len(data_installed))- width/2,  data_installed, width=width)
ax2.bar([0], [0],  width=width, label=labels["installed"]["en"]  )
ax2.bar(np.arange(len(data_generated))+ width/2, data_generated, width=width, color='red', label=labels["generation"]["en"])

plt.title(labels["title"]["en"])
ax1.set_ylabel(labels["installed"]["en"])
ax2.set_ylabel(labels["generation"]["en"])

ax1.set_xlabel("Source: https://en.wikipedia.org/wiki/Wind_power_in_Canada \n+ https://fr.wikipedia.org/wiki/Énergie_éolienne_au_Canada ", fontsize='xx-small')

plt.legend(loc='upper left', borderaxespad=1.0)
plt.tight_layout()

plt.savefig(filename)
#plt.show()

# create multilingual labels with the svg switch element
with open(filename, mode="r",encoding='utf-8') as svgfile:
    svg = etree.parse(svgfile, etree.XMLParser()).getroot()
for label, values in labels.items():
    for el in svg.findall(".//{" + svg.nsmap[None] + "}text"):
        if el.text == values["en"]:
            switch = etree.SubElement(el.getparent(), "switch")
            for lang, text in values.items():
                el2 = deepcopy(el)
                el2.set("systemLanguage", lang)
                el2.text = text
                switch.append(el2)
            switch.append(el)
with open(filename, mode='w', encoding='utf-8') as svgfile:
    svgfile.write(etree.tostring(svg, pretty_print=True, encoding="unicode"))