#!/usr/bin/env python3
# ollie:parallel read
# description: Get diagnostics (errors, warnings) for a file.
# Args: <file>

import os
import sys
sys.path.insert(0, os.path.join(os.environ['OLLIE'], 's', os.environ['OLLIE_SESSION_ID'], 't'))

from _lib.lsp.client import request

if len(sys.argv) < 2:
    print("usage: lsp_diagnostics <file>")
    sys.exit(1)

filepath = os.path.abspath(sys.argv[1])

result = request("diagnostics", file=filepath)

if not result:
    print("(no diagnostics)")
    sys.exit(0)

SEVERITY = {1: "error", 2: "warning", 3: "info", 4: "hint"}

for diag in result:
    sev = SEVERITY.get(diag.get("severity", 3), "info")
    ln = diag.get("range", {}).get("start", {}).get("line", 0) + 1
    col = diag.get("range", {}).get("start", {}).get("character", 0) + 1
    msg = diag.get("message", "")
    src = diag.get("source", "")
    prefix = f"{src}: " if src else ""
    print(f"{ln}:{col} {sev}: {prefix}{msg}")

print(f"\n({len(result)} diagnostics)")