import numpy as np
import matplotlib.pyplot as plt
from common import API_REQUESTS, FRAMEWORKS

FRAMEWORKS = [f for f, _ in FRAMEWORKS]

def plot_graph(x_data, y_data, title, x_label, y_label, filename):
    for i, framework in enumerate(FRAMEWORKS):
        plt.plot(x_data, y_data[i], markersize=1, linewidth=1, linestyle='solid', label=framework)

    plt.title(title)
    plt.xlabel(x_label)
    plt.ylabel(y_label)
    plt.legend()
    plt.savefig(f'{filename}.png')

    plt.clf()
    plt.close('all')

def plot_resource_graph(x_data, y_data, title, x_label, y_label, filename):
    requests = x_data
    frameworks = {}
    print(y_data)
    for i, framework in enumerate(FRAMEWORKS):
        frameworks[framework] = y_data[i]

    x = np.arange(len(requests))
    width = 0.10
    multiplier = 0

    fig, ax = plt.subplots(layout='constrained')

    print(x)
    for framework, measurements in frameworks.items():
        print(framework, measurements)

    for attribute, measurement in frameworks.items():
        offset = width * multiplier

        rects = ax.bar(x + offset, measurement, width, label=attribute)
        ax.bar_label(rects, padding=3)
        multiplier += 1

    # Add some text for labels, title and custom x-axis tick labels, etc.
    ax.set_xlabel(x_label)
    ax.set_ylabel(y_label)
    ax.set_title(title)
    ax.set_xticks(x + (width/2), requests)
    ax.legend(loc='upper left', ncols=len(frameworks.items()))
    ax.set_ylim(0, 120)

    plt.savefig(f'{filename}.png')

    plt.clf()
    plt.close('all')

def get_data(filename):
    lines = []
    with open(filename, 'r') as f:
        lines = f.readlines()

    x = []
    y = []
    for line in lines:
        line = line.strip().split(',')
        if line:
            x.append(int(line[0]))
            y.append(float(line[1]))

    return x, y

def get_resource_data(filename):
    lines = []
    with open(filename, 'r') as f:
        lines = f.readlines()

    x = []
    y = []
    for line in lines:
        line = line.strip().split(',')
        if line:
            x.append(int(line[0])) # requests
            y.append([float(v)*100 for v in line[1:]]) # cpu, ram

    return x, y

def generate_req_graph(filename, framework_name, endpoint_name):
    x, _ = get_data(filename)
    y = []

    for f in FRAMEWORKS:
        newfile = filename.replace(framework_name, f)
        _, y_data = get_data(newfile)

        y.append(y_data)

    graph_file = f'req_{endpoint_name.replace("/", "").replace("?", "")}'
    plot_graph(x, y, f'Requisições atendidas por segundo - {endpoint_name}', 'Número de requisições', 'Requisições/segundo', graph_file)

def generate_resource_graph(filename, framework_name, endpoint_name):
    x, _ = get_resource_data(filename)

    for resource_index, resource in enumerate(['cpu', 'ram']):
        y = []

        for f in FRAMEWORKS:
            newfile = filename.replace(framework_name, f)
            _, y_data = get_resource_data(newfile)
            y.append([data[resource_index] for data in y_data])

        graph_file = f'{resource}_{endpoint_name.replace("/", "").replace("?", "")}'
        plot_resource_graph(x, y, f'Uso de {resource.upper()} - {endpoint_name}', 'Número de requisições', 'Uso (%)', graph_file)

if __name__ == '__main__':
    endpoints = [config[0] for config in API_REQUESTS]

    for endpoint_name in endpoints:
        framework_name = 'ASP.NET'
        endpoint_file = endpoint_name.replace('/', '')

        filename = f'data/resource_ASP.NET_{endpoint_file}.csv'
        generate_resource_graph(filename, framework_name, endpoint_name)

        filename = f'data/req_ASP.NET_{endpoint_file}.csv'
        generate_req_graph(filename, framework_name, endpoint_name)