from flask import render_template, make_response, current_app, redirect, url_for, request
from flask_login import login_required, current_user

from . import bp

from app.models import Agent, Project, Service, Capacity, Period

from app import db_mgr
from app.auth.routes import role_required

@bp.before_request
def site_login():
    try:
        if current_app.config['SITE_LOGIN'] \
                and not current_user.is_authenticated:
            return redirect(url_for('auth.login'))
    except KeyError:
        # no such config, juste ignore
        pass

@bp.before_request
def catch_all_route():

    current_app.logger.debug(f"{request.method} {request.path}")

@bp.route('/')
def index():

    return render_template('index.html', subtitle="Page d'accueil")


@bp.route('/services')

@role_required('service')

def services():
    # get services list
    all_services = Service.query.order_by(Service.name).all()
    num_services = len(all_services)
    # pass to template

    return render_template('services.html', subtitle="Liste des services ({})".format(num_services),

                           services=all_services)

@bp.route('/projects')

@role_required('project')

def projects():
    # get projects list

    all_projects = db_mgr.projects()

    num_projects = len(all_projects)
    # pass to template

    return render_template('projects.html', subtitle="Liste des projets ({})".format(num_projects),

                           projects=all_projects)

@bp.route('/agents')

@role_required('project')

def agents():

    # get agents list

    all_agents = db_mgr.agents()

    num_agents = len(all_agents)
    # pass to template

    return render_template('agents.html', subtitle="Liste des agents ({})".format(num_agents),

                           agents=all_agents)

@bp.route('/capacities')

@login_required

def capacities():
    # get capacities list
    all_capacities = Capacity.query.order_by(Capacity.name).all()
    num_capacities = len(all_capacities)
    # pass to template
    return render_template('capacities.html', subtitle="Liste des fonctions ({})".format(num_capacities),
                           capacities=all_capacities)

@bp.route('/periods')

@login_required

def periods():
    # get capacities list
    all_periods = Period.query.order_by(Period.name).all()
    num_periods = len(all_periods)
    # pass to template
    return render_template('periods.html', subtitle="Liste des périodes ({})".format(num_periods),
                           periods=all_periods)

@bp.route('/charge/add')

@role_required('service')

def charge_add():

    return render_template('charge.html', subtitle="Affecter un agent")

@bp.route('/project/<project_id>')
@role_required('project')
def project(project_id):
    # TODO: am i the project manager ?
    this_project = Project.query.get(int(project_id))

    charges_table = db_mgr.charges_by_project(project_id)

    return render_template('project.html',
                           project=this_project,

                           charges=charges_table,

                           subtitle="{}".format(this_project.name))

@bp.route('/agent/<agent_id>')

@role_required('agent')

def agent(agent_id):

    # TODO: am i the agent, the service or project manager , or the admin ?
    this_agent = Agent.query.get(int(agent_id))

    charges_table = db_mgr.charges_by_agent_tabled(agent_id)

    return render_template('agent.html',

                           agent=this_agent,

                           charges=charges_table,

                           subtitle="{} {}".format(this_agent.firstname, this_agent.secondname))

# - - - - - - - - - - - - - - - - - - - -  REST API - - - - - - - - - - - - - - - - - - - -

@bp.route('/charge/project/<project_id>/<category>')
@role_required('project')
def charge_project_csv(project_id, category):
    csv_table = []
    for line in db_mgr.charges_by_project_stacked(project_id, category):
        line = [cell.replace(",", "-") for cell in line]
        line_string = ",".join(line)
        csv_table.append(line_string)
    resp = make_response("\n".join(csv_table))
    resp.headers['Content-Type'] = 'text/plain;charset=utf8'
    return resp

@bp.route('/charge/agent/<agent_id>')

@role_required('service')

def charge_agent_csv(agent_id):
    csv_table = []

    for line in db_mgr.charges_by_agent_stacked(agent_id):

        line = [cell.replace(",", "-") for cell in line]
        line_string = ",".join(line)
        csv_table.append(line_string)
    resp = make_response("\n".join(csv_table))

    resp.headers['Content-Type'] = 'text/plain;charset=utf8'

    return resp