from pathlib import Path

import matplotlib.pyplot as plt


months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
tickets = [128, 104, 91, 76, 63, 58]

fig, ax = plt.subplots(figsize=(6.4, 3.6), layout="constrained")
ax.plot(months, tickets, marker="o", linewidth=2.2, color="tab:blue")
ax.fill_between(months, tickets, [50] * len(tickets), color="tab:blue", alpha=0.12)
ax.set_title("Support tickets waiting for triage")
ax.set_xlabel("Month")
ax.set_ylabel("Open tickets")
ax.grid(True, alpha=0.25)

outputs = [
    Path("support-ticket-trend.png"),
    Path("support-ticket-trend.pdf"),
    Path("support-ticket-trend.svg"),
]

fig.savefig(outputs[0], dpi=160)
fig.savefig(outputs[1])
fig.savefig(outputs[2])
plt.close(fig)

for path in outputs:
    print(f"saved: {path.name} bytes={path.stat().st_size}")