#!/usr/bin/env python3
"""Build a catalogued CLAP plugin without modifying a DAW installation."""
import argparse
import json
import os
from pathlib import Path
import shutil
import subprocess

root = Path(__file__).resolve().parents[1]
catalog = json.loads((root / "plugins/catalog.json").read_text())
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--plugin", choices=catalog, default="rivet", 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 Rivet's standalone preview")
args = parser.parse_args()
product = catalog[args.plugin]
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("Packaging supports Windows releases and native Linux development builds.")
if args.standalone and "standalone" not in product:
    parser.error(f"{product['name']} has no standalone application.")
manifest = root / product["manifest"]
cmd = ["cargo", "build", "--manifest-path", str(manifest), "--release", "--locked", "--target", target, "--lib"]
if args.standalone:
    cmd += ["--features", "standalone", "--bin", product["standalone"]]
subprocess.run(cmd, cwd=root, check=True)
target_root = Path(os.environ.get("CARGO_TARGET_DIR", manifest.parent / "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 = product["library"]
library = build / (f"{stem}.dll" if "windows" in target else f"lib{stem}.so")
plugin = destination / f"{product['name']}.clap"
shutil.copy2(library, plugin)
for name in ["LICENSE", "README.md", "docs/development.md", "docs/releases.md"]:
    output = destination / name
    output.parent.mkdir(parents=True, exist_ok=True)
    shutil.copy2(root / name, output)
shutil.copytree(root / product["documentation"], destination / product["documentation"], dirs_exist_ok=True)
for source, name in product.get("licenses", {}).items():
    output = destination / name
    output.parent.mkdir(parents=True, exist_ok=True)
    shutil.copy2(root / source, output)
if args.standalone:
    exe = product["standalone"] + (".exe" if "windows" in target else "")
    shutil.copy2(build / exe, destination)
print(f"Packaged {plugin}")