"""Workflow management routes."""
from flask import Blueprint, render_template, redirect, url_for, flash, request, abort
from flask_login import login_required, current_user

from app import db
from app.models.board import Board
from app.models.workflow import Workflow

workflows_bp = Blueprint("workflows", __name__)

EVENTS = [("press", "Press (rising edge)"), ("release", "Release (falling)"), ("both", "Both")]
ACTIONS = [("on", "Turn ON"), ("off", "Turn OFF"), ("toggle", "Toggle")]


@workflows_bp.route("/")
@login_required
def list_workflows():
    workflows = Workflow.query.order_by(Workflow.name).all()
    return render_template("workflows/list.html", workflows=workflows)


@workflows_bp.route("/add", methods=["GET", "POST"])
@login_required
def add_workflow():
    if not current_user.is_admin():
        abort(403)
    boards = Board.query.order_by(Board.name).all()

    if request.method == "POST":
        wf = Workflow(
            name=request.form.get("name", "").strip(),
            trigger_board_id=int(request.form["trigger_board_id"]),
            trigger_input=int(request.form["trigger_input"]),
            trigger_event=request.form.get("trigger_event", "press"),
            action_board_id=int(request.form["action_board_id"]),
            action_relay=int(request.form["action_relay"]),
            action_type=request.form.get("action_type", "toggle"),
            is_enabled=True,
        )
        if not wf.name:
            flash("Name is required.", "danger")
            return render_template("workflows/edit.html", wf=None, boards=boards,
                                   events=EVENTS, actions=ACTIONS)
        db.session.add(wf)
        db.session.commit()
        flash(f"Workflow '{wf.name}' created.", "success")
        return redirect(url_for("workflows.list_workflows"))

    return render_template("workflows/edit.html", wf=None, boards=boards,
                           events=EVENTS, actions=ACTIONS)


@workflows_bp.route("/<int:wf_id>/edit", methods=["GET", "POST"])
@login_required
def edit_workflow(wf_id: int):
    if not current_user.is_admin():
        abort(403)
    wf = db.get_or_404(Workflow, wf_id)
    boards = Board.query.order_by(Board.name).all()

    if request.method == "POST":
        wf.name = request.form.get("name", wf.name).strip()
        wf.trigger_board_id = int(request.form.get("trigger_board_id", wf.trigger_board_id))
        wf.trigger_input = int(request.form.get("trigger_input", wf.trigger_input))
        wf.trigger_event = request.form.get("trigger_event", wf.trigger_event)
        wf.action_board_id = int(request.form.get("action_board_id", wf.action_board_id))
        wf.action_relay = int(request.form.get("action_relay", wf.action_relay))
        wf.action_type = request.form.get("action_type", wf.action_type)
        wf.is_enabled = "is_enabled" in request.form
        db.session.commit()
        flash("Workflow updated.", "success")
        return redirect(url_for("workflows.list_workflows"))

    return render_template("workflows/edit.html", wf=wf, boards=boards,
                           events=EVENTS, actions=ACTIONS)


@workflows_bp.route("/<int:wf_id>/delete", methods=["POST"])
@login_required
def delete_workflow(wf_id: int):
    if not current_user.is_admin():
        abort(403)
    wf = db.get_or_404(Workflow, wf_id)
    db.session.delete(wf)
    db.session.commit()
    flash(f"Workflow '{wf.name}' deleted.", "warning")
    return redirect(url_for("workflows.list_workflows"))


@workflows_bp.route("/<int:wf_id>/toggle", methods=["POST"])
@login_required
def toggle_workflow(wf_id: int):
    wf = db.get_or_404(Workflow, wf_id)
    wf.is_enabled = not wf.is_enabled
    db.session.commit()
    state = "enabled" if wf.is_enabled else "disabled"
    flash(f"Workflow '{wf.name}' {state}.", "info")
    return redirect(url_for("workflows.list_workflows"))