#!/usr/bin/env python3
"""Build and package CLAP without modifying a DAW's plugin directories."""
import argparse
import os
from pathlib import Path
import shutil
import subprocess

root = Path(__file__).resolve().parents[1]
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--plugin", choices=["motif-storyboard", "resonance-compressor"], default="motif-storyboard", help="Plugin to package")
parser.add_argument("--target", help="Rust target triple; defaults to rustc's host")
parser.add_argument("--standalone", action="store_true", help="Also build the standalone preview app")
args = parser.parse_args()
target = args.target
if target is None:
    info = subprocess.check_output(["rustc", "-vV"], text=True)
    target = next(line.removeprefix("host: ") for line in info.splitlines() if line.startswith("host: "))
if "windows" not in target and "linux" not in target:
    parser.error("This milestone packages Windows and Linux only.")
if args.standalone and args.plugin != "motif-storyboard":
    parser.error("Standalone is available only for Motif Storyboard.")
manifest = root / "plugins" / args.plugin / "Cargo.toml"
cmd = ["cargo", "build", "--manifest-path", str(manifest), "--release", "--locked", "--target", target, "--lib"]
if args.standalone:
    cmd += ["--features", "standalone", "--bin", "motif-storyboard"]
subprocess.run(cmd, cwd=root, check=True)
target_root = Path(os.environ.get("CARGO_TARGET_DIR", root / "plugins" / args.plugin / "target"))
if not target_root.is_absolute():
    target_root = root / target_root
build = target_root / target / "release"
destination = root / "dist" / target
destination.mkdir(parents=True, exist_ok=True)
stem = args.plugin.replace("-", "_")
library = build / (f"{stem}.dll" if "windows" in target else f"lib{stem}.so")
display = "Motif Storyboard" if args.plugin == "motif-storyboard" else "Resonance Compressor"
plugin = destination / f"{display}.clap"
shutil.copy2(library, plugin)
shutil.copy2(root / "LICENSE", destination)
guide = "fl-studio.md" if args.plugin == "motif-storyboard" else "resonance-compressor.md"
shutil.copy2(root / "docs" / guide, destination / f"{args.plugin}-setup.md")
if args.plugin == "resonance-compressor":
    shutil.copy2(root / "crates/resonance-ui/assets/OFL.txt", destination / "Roboto-OFL.txt")
    shutil.copy2(root / "docs/resonance-editor.png", destination / "resonance-editor.png")
if args.standalone:
    exe = "motif-storyboard.exe" if "windows" in target else "motif-storyboard"
    shutil.copy2(build / exe, destination)
print(f"Packaged {plugin}")