import subprocess
import json
import sys
import os

# Read ignored dependencies from ENV
ignore_deps = set(os.environ.get("BUILDREQ_IGNORE_DEP", "").split())

# Run introspection command
deps_json = json.loads(
    subprocess.run([sys.argv[1], "introspect", "--dependencies", "meson.build"],
                   capture_output=True, text=True).stdout
)

# Build deps dictionary while skipping ignored libraries
deps = {entry['name']: entry['version'] for entry in deps_json if entry['name'] not in ignore_deps}

# Output formatted build requirements
for lib, versions in deps.items():
    version_str = ' ' + ' '.join(versions) if versions else ''
    line = []
    for prefix in ["cmake", "pkgconfig", "qmake"]:
        buildreq = f"{prefix}({lib}){version_str}"
        # Strip trailing '=' if version was empty
        if buildreq.split('=')[-1] == '' and '=' in buildreq:
            buildreq = buildreq.split('=')[0]
        line.append(buildreq)
    print(f"({' or '.join(line)})")