"""Benchmark Text hot paths: construction, copy, divide, render."""
import timeit
import sys
import os

sys.path.insert(0, os.path.expanduser("~/rich"))

def bench(label, stmt, setup, number=200_000):
    times = timeit.repeat(stmt, setup, number=number, repeat=5)
    best = min(times)
    per_call_ns = best / number * 1e9
    print(f"  {label}: {best*1000:.1f}ms total, {per_call_ns:.0f}ns/call ({number:,} iters, best of 5)")
    return best

print(f"Python {sys.version}")
print()

common = """\
import sys, os
sys.path.insert(0, os.path.expanduser("~/rich"))
from rich.text import Text, Span
from rich.style import Style
from rich.console import Console
"""

# --- Text construction ---
print("=== Text() construction ===")
bench("Text('hello world')", "Text('hello world')", common)
bench("Text('hello world', style='bold')", "Text('hello world', style='bold')", common)
print()

# --- Text.copy ---
print("=== Text.copy() ===")
copy_setup = common + "t = Text('hello world', style='bold')\nt.stylize('red', 0, 5)\n"
bench("copy()", "t.copy()", copy_setup)
print()

# --- Text.blank_copy ---
print("=== Text.blank_copy() ===")
bench("blank_copy()", "t.blank_copy()", copy_setup)
bench("blank_copy('new text')", "t.blank_copy('new text')", copy_setup)
print()

# --- Text.divide ---
print("=== Text.divide() ===")
div_setup = common + "t = Text('hello world, this is a longer text for divide testing')\nt.stylize('bold', 0, 5)\nt.stylize('red', 6, 11)\n"
bench("divide([10, 20, 30])", "t.divide([10, 20, 30])", div_setup, number=100_000)
print()

# --- Text.render ---
print("=== Text.render() ===")
render_setup = common + """\
c = Console(width=80)
t0 = Text('hello world')
t1 = Text('hello world')
t1.stylize('bold', 0, 5)
t2 = Text('hello world')
t2.stylize('bold', 0, 5)
t2.stylize('red', 6, 11)
"""
bench("render (no spans)", "list(t0.render(c))", render_setup, number=100_000)
bench("render (1 span)", "list(t1.render(c))", render_setup, number=100_000)
bench("render (2 spans)", "list(t2.render(c))", render_setup, number=100_000)
print()

# --- E2E Console.print ---
print("=== Console.print() E2E ===")
print_setup = common + """\
import io
c = Console(file=io.StringIO(), width=80)
"""
bench("print('hello')", "c.file.seek(0); c.print('hello')", print_setup, number=50_000)
bench("print('[bold]hello[/bold]')", "c.file.seek(0); c.print('[bold]hello[/bold]')", print_setup, number=50_000)

print("\nDone.")