"""Multi-line chart template — fetch-and-adapt from d3-graph-gallery.com.
Adapted from d3-graph-gallery.com (Yan Holtz) —
https://d3-graph-gallery.com/graph/line_several_group.html
"""
from __future__ import annotations
from pydantic import BaseModel
from app.agents.d3.registry import D3Template, register
class Point(BaseModel):
x: float
y: float
class Series(BaseModel):
name: str
points: list[Point]
class MultiLineData(BaseModel):
title: str = ""
x_label: str = ""
y_label: str = ""
series: list[Series]
_HTML = """
"""
golden_sample = MultiLineData(
title="Demo",
x_label="Time",
y_label="Value",
series=[
Series(name="Series A", points=[Point(x=0, y=1), Point(x=1, y=3), Point(x=2, y=2)]),
Series(name="Series B", points=[Point(x=0, y=2), Point(x=1, y=1), Point(x=2, y=4)]),
],
)
register(
D3Template(
id="multi_line",
family="chart",
title="Multi-line chart",
when_to_use="Compare several named series each changing over the same ordered/continuous axis.",
data_requirements="Two or more named series, each a sequence of (x, y) points.",
schema=MultiLineData,
html_template=_HTML,
golden_sample=golden_sample,
)
)