from flask import (
    Blueprint,
    render_template,
    request,
    redirect,
    url_for,
    flash, jsonify
)

from app.models.subcontractor_model import Subcontractor
from app.services.subcontractor_rate_service import SubcontractorRateService
from app.constants.messages import SuccessMessage, ErrorMessage

engi_bp = Blueprint(
    "engineering",
    __name__,
    url_prefix="/engi"
)


    
@engi_bp.route("/")
def engineering_master():

    return render_template(
        "engineering/index.html",
        title="Engineering Masters"
    )
    
# Client rate model
@engi_bp.route("/client-rate")
def client_rates():

    return render_template(
        "engineering/client_rate.html",
        title="Client Rate Master"
    )

@engi_bp.route("/subcontractor-rate", methods=["GET", "POST"])
def add_subcontractor_rates():

    subcontractors = Subcontractor.query.filter_by(status="Active").all()

    if request.method == "POST":
        result = SubcontractorRateService.save_or_update(request.form)
        if result["success"]:
            flash(result["message"], "success")
            return redirect(url_for("engineering.add_subcontractor_rates"))
        else:
            flash(result["message"], "danger")

    rates = SubcontractorRateService.get_all_rates()

    return render_template(
        "engineering/contractor_rate.html",
        title="Subcontractor Rate Master",
        subcontractors=subcontractors,
        rates=rates
    )

@engi_bp.route("/subcontractor-rate/edit/<int:rate_id>", methods=["GET", "POST"])
def edit_rate(rate_id):

    subcontractors = Subcontractor.query.filter_by(status="Active").all()

    if request.method == "POST":

        result = SubcontractorRateService.save_or_update(request.form)

        if result["success"]:
            flash(result["message"], "success")
            return redirect(url_for("engineering.add_subcontractor_rates"))

        flash(result["message"], "danger")

    rate = SubcontractorRateService.get_rate(rate_id)

    rates = SubcontractorRateService.get_all_rates()

    return render_template(
        "engineering/contractor_rate.html",
        subcontractors=subcontractors,
        rate=rate,
        rates=rates
    )

@engi_bp.route("/subcontractor-rate/delete/<int:rate_id>")
def delete_rate(rate_id):
    SubcontractorRateService.delete_rate(rate_id)
    flash("Rate deleted successfully.", "success")
    return redirect(url_for("engineering.add_subcontractor_rates"))


@engi_bp.route("/check-rate")
def check_rate():

    exists = SubcontractorRateService.check_duplicate(
        subcontractor_id=request.args.get("subcontractor_id"),
        category=request.args.get("category"),
        item_name=request.args.get("item_name"),
        rate_id=request.args.get("rate_id")
    )

    return jsonify({
        "exists": exists
    })