import json as _json

from flask import Blueprint, jsonify, request
from pydantic import ValidationError

from app.extensions import db
from app.models.job_application import JobApplication
from app.schemas.job_application import JobApplicationIn, JobApplicationOut
from app.utils.auth import require_admin

jobs_public_bp = Blueprint("jobs_public", __name__, url_prefix="/api/v1")
jobs_admin_bp  = Blueprint("jobs_admin",  __name__, url_prefix="/api/v1/admin")


@jobs_public_bp.route("/jobs/apply", methods=["POST"])
def apply():
    data = request.get_json(silent=True) or {}
    try:
        validated = JobApplicationIn.model_validate(data)
    except ValidationError as exc:
        return jsonify({"error": "Dados inválidos", "details": _json.loads(exc.json())}), 422

    application = JobApplication(
        name=validated.name,
        email=validated.email,
        phone=validated.phone,
        role_interest=validated.role_interest,
        message=validated.message,
        file_name=validated.file_name,
    )
    db.session.add(application)
    db.session.commit()
    return jsonify({"message": "Candidatura recebida com sucesso"}), 201


@jobs_admin_bp.route("/jobs", methods=["GET"])
@require_admin
def list_applications():
    page     = request.args.get("page", 1, type=int)
    per_page = min(request.args.get("per_page", 20, type=int), 100)

    pagination = (
        JobApplication.query
        .order_by(JobApplication.created_at.desc())
        .paginate(page=page, per_page=per_page, error_out=False)
    )

    items = [JobApplicationOut.model_validate(item).model_dump(mode="json") for item in pagination.items]

    return jsonify({
        "items":    items,
        "total":    pagination.total,
        "page":     pagination.page,
        "per_page": pagination.per_page,
        "pages":    pagination.pages,
    }), 200