"""
Data integrator HTTP server.
Kestra calls this server via HTTP tasks to trigger download/load operations.
"""
import importlib
import sys
import traceback
from pathlib import Path

from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse

sys.path.insert(0, "/app/scripts")

app = FastAPI(title="SchoolCompare Data Integrator", version="1.0.0")

SOURCES = {
    "ofsted", "gias", "parent_view",
    "census", "admissions", "sen_detail",
    "phonics", "idaci", "finance", "ks2",
}


@app.get("/health")
def health():
    return {"status": "ok"}


@app.post("/run/{source}")
def run_source(source: str, action: str = "all"):
    """
    Trigger a data source download and/or load.
    action: "download" | "load" | "all"
    """
    if source not in SOURCES:
        raise HTTPException(status_code=404, detail=f"Unknown source '{source}'. Available: {sorted(SOURCES)}")
    if action not in ("download", "load", "all"):
        raise HTTPException(status_code=400, detail="action must be 'download', 'load', or 'all'")

    try:
        mod = importlib.import_module(f"sources.{source}")
        result = {}

        if action in ("download", "all"):
            mod.download()

        if action in ("load", "all"):
            result = mod.load()

        return {"source": source, "action": action, "result": result}

    except Exception as e:
        tb = traceback.format_exc()
        raise HTTPException(status_code=500, detail={"error": str(e), "traceback": tb})


@app.post("/run-all")
def run_all(action: str = "all"):
    """Trigger all sources in sequence."""
    results = {}
    for source in sorted(SOURCES):
        try:
            mod = importlib.import_module(f"sources.{source}")
            if action in ("download", "all"):
                mod.download()
            if action in ("load", "all"):
                results[source] = mod.load()
        except Exception as e:
            results[source] = {"error": str(e)}
    return results