"""Overview blueprint routes (Chapter 08 / Chapter 11's route table)."""
from __future__ import annotations

from flask import current_app, jsonify, request

from app.blueprints.overview import bp
from app.blueprints.overview.queries import (
    get_browser_breakdown,
    get_kpis,
    get_status_code_breakdown,
    get_top_referrers,
    get_top_urls,
    get_traffic_chart_series,
)
from app.services.background import resume_incomplete_files
from app.utils.dates import parse_date_range
from app.utils.htmx import render_htmx_aware
from app.utils.pagination import parse_pagination


@bp.route("/overview")
def overview():
    """Full page on first load, HTMX partial on tab switch / range change (Ch04).

    Also opportunistically resumes any log_files stuck in queued/processing
    (Ch12 simplification: the replacement for cron's "there's always a
    next tick" guarantee — see app/services/background.py).
    """
    resume_incomplete_files(current_app._get_current_object())
    from_date, to_date = parse_date_range(request)
    return render_htmx_aware(
        request,
        full_template="overview/index.html",
        partial_template="overview/_content.html",
        from_date=from_date,
        to_date=to_date,
    )


@bp.get("/api/overview/kpis")
def api_kpis():
    from_date, to_date = parse_date_range(request)
    return jsonify(data=get_kpis(from_date, to_date), meta={"from": from_date.isoformat(), "to": to_date.isoformat()})


@bp.get("/api/overview/traffic-chart")
def api_traffic_chart():
    from_date, to_date = parse_date_range(request)
    return jsonify(
        data=get_traffic_chart_series(from_date, to_date),
        meta={"from": from_date.isoformat(), "to": to_date.isoformat()},
    )


@bp.get("/api/overview/status-codes")
def api_status_codes():
    from_date, to_date = parse_date_range(request)
    return jsonify(
        data=get_status_code_breakdown(from_date, to_date),
        meta={"from": from_date.isoformat(), "to": to_date.isoformat()},
    )


@bp.get("/api/overview/top-urls")
def api_top_urls():
    from_date, to_date = parse_date_range(request)
    page, per_page = parse_pagination(request)
    rows, total = get_top_urls(from_date, to_date, page, per_page)
    return jsonify(
        data={"rows": rows, "total": total},
        meta={"from": from_date.isoformat(), "to": to_date.isoformat(), "page": page, "per_page": per_page},
    )


@bp.get("/api/overview/top-referrers")
def api_top_referrers():
    from_date, to_date = parse_date_range(request)
    page, per_page = parse_pagination(request)
    rows, total = get_top_referrers(from_date, to_date, page, per_page)
    return jsonify(
        data={"rows": rows, "total": total},
        meta={"from": from_date.isoformat(), "to": to_date.isoformat(), "page": page, "per_page": per_page},
    )


@bp.get("/api/overview/browser-breakdown")
def api_browser_breakdown():
    """Chapter 11 addition (Method A, Ch08 follow-up) — not in the
    original route table; see docs/api-contract-final.md."""
    from_date, to_date = parse_date_range(request)
    return jsonify(
        data=get_browser_breakdown(from_date, to_date),
        meta={"from": from_date.isoformat(), "to": to_date.isoformat()},
    )