import matplotlib

matplotlib.use("Agg")

import matplotlib.pyplot as plt
from matplotlib import font_manager
import config
import logging

logging.getLogger("matplotlib").setLevel(logging.WARNING)

# 从字体文件创建字体对象
FONT = font_manager.FontProperties(fname=config.FONT_PATH)

# 负号修复
plt.rcParams["axes.unicode_minus"] = False


def plot_line(times, values, title, ylabel, out_path):
    plt.figure(figsize=(8, 4))
    plt.plot(times, values, marker="o")

    plt.title(title, fontproperties=FONT)
    plt.xlabel("时间", fontproperties=FONT)
    plt.ylabel(ylabel, fontproperties=FONT)

    plt.xticks(rotation=45, fontproperties=FONT)
    plt.grid(True)
    plt.tight_layout()
    plt.savefig(out_path, dpi=150)
    plt.close()