# -*- coding: utf-8 -*-
from datetime import datetime
from flask import Blueprint, current_app, jsonify, render_template, request

from .auth import login_required


plugin_schedules_bp = Blueprint("plugin_schedules", __name__, url_prefix="/plugin_schedules")


def _normalize_datetime_text(value):
    """统一时间文本格式为 `YYYY-MM-DD HH:MM:SS`。

    兼容场景：
    1. 数据库返回 datetime 对象；
    2. 已经是 ISO 字符串（包含 T）；
    3. 兜底保留原值字符串，避免因为解析失败把数据抹掉。
    """
    if value is None:
        return value
    if isinstance(value, datetime):
        return value.strftime("%Y-%m-%d %H:%M:%S")
    text = str(value)
    # 先处理常见 ISO 格式，直接去掉 T 并截到秒，避免前端显示异常。
    if "T" in text:
        return text.replace("T", " ")[:19]
    return text


@plugin_schedules_bp.route("/")
@login_required
def page_plugin_schedules():
    return render_template("plugin_schedules.html")


@plugin_schedules_bp.route("/api/schedules", methods=["GET"])
@login_required
def api_list_schedules():
    server = current_app.dashboard_server
    data = server.plugin_schedule_manager.list_schedules_with_runtime()
    # 后端统一格式化时间字段，避免前端出现 Fri, 17 Apr 2026 ... 这类 RFC 时间串。
    for row in data:
        for key in ("next_run_at", "last_run_at", "created_at", "updated_at"):
            if key in row:
                row[key] = _normalize_datetime_text(row.get(key))
    return jsonify({"success": True, "data": data})


@plugin_schedules_bp.route("/api/actions", methods=["GET"])
@login_required
def api_list_actions():
    server = current_app.dashboard_server
    data = server.plugin_schedule_manager.get_available_plugin_actions()
    return jsonify({"success": True, "data": data})


@plugin_schedules_bp.route("/api/schedules/<int:schedule_id>", methods=["PUT"])
@login_required
def api_update_schedule(schedule_id: int):
    server = current_app.dashboard_server
    payload = request.get_json(silent=True) or {}

    updates = {}
    for key in (
        "action_name",
        "description",
        "trigger_type",
        "trigger_config",
        "target_scope",
        "target_config",
        "payload",
        "enabled",
    ):
        if key in payload:
            updates[key] = payload[key]

    if not updates:
        return jsonify({"success": False, "message": "没有可更新字段"}), 400

    ok = server.plugin_schedule_manager.update_schedule(schedule_id, updates)
    if not ok:
        return jsonify({"success": False, "message": "更新失败"}), 500

    return jsonify({"success": True, "message": "更新成功"})


@plugin_schedules_bp.route("/api/schedules/<int:schedule_id>/trigger", methods=["POST"])
@login_required
def api_trigger_schedule(schedule_id: int):
    server = current_app.dashboard_server
    ok, msg = server.plugin_schedule_manager.trigger_now(schedule_id)
    code = 200 if ok else 400
    return jsonify({"success": ok, "message": msg}), code


@plugin_schedules_bp.route("/api/schedules/<int:schedule_id>/logs", methods=["GET"])
@login_required
def api_schedule_logs(schedule_id: int):
    server = current_app.dashboard_server
    limit = int(request.args.get("limit", 100))
    logs = server.plugin_schedule_manager.get_logs(schedule_id, limit=limit)
    # 日志时间统一成固定格式，避免被 Flask JSON 序列化成 RFC 字符串。
    for row in logs:
        if "triggered_at" in row:
            row["triggered_at"] = _normalize_datetime_text(row.get("triggered_at"))
    return jsonify({"success": True, "data": logs})


@plugin_schedules_bp.route("/api/reload", methods=["POST"])
@login_required
def api_reload_schedules():
    server = current_app.dashboard_server
    server.plugin_schedule_manager.reload_from_db()
    return jsonify({"success": True, "message": "已按数据库配置重载插件调度"})