#!/usr/bin/env python3
"""Logseq tool — queries and modifies Logseq DB graph via the REST API."""

import json
import os
import subprocess
import sys

sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from _lib.args import parse_args

LOGSEQ_URL = os.environ.get("LOGSEQ_MCP_URL", "http://127.0.0.1:12315")
TOKEN = os.environ.get("OLLIE_LOGSEQ_TOKEN", "")

# Map tool commands to REST API methods and argument shapes.
COMMANDS = {
    "listPages":      ("logseq.cli.listPages",      lambda a: [{"expand": a.get("expand", False)}]),
    "getPage":        ("logseq.cli.getPageData",    lambda a: [a["pageName"]]),
    "searchBlocks":   ("logseq.app.search",         lambda a: [a["searchTerm"], {"enable-snippet?": False}]),
    "listTags":       ("logseq.cli.listTags",       lambda a: [{"expand": a.get("expand", False)}]),
    "listProperties": ("logseq.cli.listProperties", lambda a: [{"expand": a.get("expand", False)}]),
    "upsertNodes":    ("logseq.cli.upsertNodes",    lambda a: [a["operations"], {"dry-run": a.get("dry-run", False)}]),
    "getCurrentGraph":("logseq.app.getCurrentGraph", lambda a: []),
}


def main():
    if not TOKEN:
        print("Error: OLLIE_LOGSEQ_TOKEN not set", file=sys.stderr)
        sys.exit(1)

    args = parse_args()
    raw = args.raw()
    command = args.require("command")

    if command not in COMMANDS:
        print(f"Error: unknown command '{command}'. Available: {', '.join(sorted(COMMANDS.keys()))}", file=sys.stderr)
        sys.exit(1)

    method, build_args = COMMANDS[command]

    # Remove 'command' from raw args before passing to builder.
    params = {k: v for k, v in raw.items() if k != "command"}
    try:
        api_args = build_args(params)
    except KeyError as e:
        print(f"Error: missing required argument {e}", file=sys.stderr)
        sys.exit(1)

    # Build the REST API request.
    payload = {"method": method}
    if api_args:
        payload["args"] = api_args

    result = subprocess.run(
        ["curl", "-s", "-X", "POST",
         f"{LOGSEQ_URL}/api",
         "-H", f"Authorization: Bearer {TOKEN}",
         "-H", "Content-Type: application/json",
         "-d", json.dumps(payload)],
        capture_output=True, text=True, timeout=30
    )

    if result.returncode != 0:
        print(f"Error: curl failed: {result.stderr}", file=sys.stderr)
        sys.exit(1)

    # Output the result.
    output = result.stdout.strip()
    if output:
        # Pretty-print JSON if possible.
        try:
            data = json.loads(output)
            print(json.dumps(data, indent=2, ensure_ascii=False))
        except json.JSONDecodeError:
            print(output)


if __name__ == "__main__":
    main()