using System.Collections.Generic;
using IdentityModel;
using Microsoft.AspNetCore.Authorization;
using xCommons.Authorization;
using xCommons.Constants;
using xCommons.Extensions;
using static xIdentityHelper.XApiScopeHelper;

namespace xIdentityHelper
{
    public class XAuthorizationHelper
    {
        public static IDictionary<string, AuthorizationPolicy> GetXAuthorizationPolicies()
        {
            //
            var result = new Dictionary<string, AuthorizationPolicy>();

            //
            RequiredRolesRequirement roleRequirements = null;

            //
            #region Build Policies ...
            //
            // Scope Policies ...
            #region Scope Policies ...
            //
            // Read Scope ...
            result.Add(XPolicies.ReadAccess,
                new AuthorizationPolicyBuilder()
                .RequireClaim(JwtClaimTypes.Scope, XApiScopes.Read)
                .Build()
            );

            //
            // Write Scope ...
            result.Add(XPolicies.WriteAccess,
                new AuthorizationPolicyBuilder()
                .RequireClaim(
                    JwtClaimTypes.Scope,
                    XApiScopes.Read,
                    XApiScopes.Write
                )
                .Build()
            );

            //
            // Admin Scope ...
            result.Add(XPolicies.AdminAccess,
                new AuthorizationPolicyBuilder()
                .RequireClaim(
                    JwtClaimTypes.Scope,
                    XApiScopes.Read,
                    XApiScopes.Write,
                    XApiScopes.Admin
                )
                .Build()
            );

            //
            // Manage Scope ...
            result.Add(XPolicies.ManageAccess,
                new AuthorizationPolicyBuilder()
                .RequireClaim(
                    JwtClaimTypes.Scope,
                    XApiScopes.Read,
                    XApiScopes.Write,
                    XApiScopes.Admin,
                    XApiScopes.Manage
                )
                .Build()
            );
            #endregion

            //
            // Roles Policies ...
            #region Roles Policies ...
            //
            // User ...
            #region User Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.USER,
                    XUserRoles.AGENT,
                    XUserRoles.REPORTER_ASSISTANT,
                    XUserRoles.REPORTER,
                    XUserRoles.ACTUARY_ASSISTANT,
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // User Policy ...
            result.Add(XPolicies.User,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled User Policy ...
            result.Add(XPolicies.EnabledUser,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // Agent ...
            #region Agent Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.AGENT,
                    XUserRoles.REPORTER_ASSISTANT,
                    XUserRoles.REPORTER,
                    XUserRoles.ACTUARY_ASSISTANT,
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // Agent Policy  ...
            result.Add(XPolicies.Agent,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled Agent Policy  ...
            result.Add(XPolicies.EnabledAgent,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // ReporterAssistant ...
            #region Reporter Assistant Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.REPORTER_ASSISTANT,
                    XUserRoles.REPORTER,
                    XUserRoles.ACTUARY_ASSISTANT,
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // ReporterAssistant ...
            result.Add(XPolicies.ReporterAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled ReporterAssistant ...
            result.Add(XPolicies.EnabledReporterAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // Reporter ...
            #region Reporter Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.REPORTER,
                    XUserRoles.ACTUARY_ASSISTANT,
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // Reporter ...
            result.Add(XPolicies.Reporter,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled Reporter ...
            result.Add(XPolicies.EnabledReporter,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // ActuaryAssistant ...
            #region Actuary Assistant Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.ACTUARY_ASSISTANT,
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // ActuaryAssistant ...
            result.Add(XPolicies.ActuaryAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled ActuaryAssistant ...
            result.Add(XPolicies.EnabledActuaryAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // Actuary ...
            #region Actuary Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.ACTUARY,
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // Actuary ...
            result.Add(XPolicies.Actuary,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled Actuary ...
            result.Add(XPolicies.EnabledActuary,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // ChiefClerkAssistant ...
            #region Chief Clerk Assistant Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.CHIEF_CLERK_ASSISTANT,
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // ChiefClerkAssistant ...
            result.Add(XPolicies.ChiefClerkAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled ChiefClerkAssistant ...
            result.Add(XPolicies.EnabledChiefClerkAssistant,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // ChiefClerk ...
            #region Chief Clerk Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.CHIEF_CLERK,
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // ChiefClerk ...
            result.Add(XPolicies.ChiefClerk,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled ChiefClerk ... 
            result.Add(XPolicies.EnabledChiefClerk,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // Journalist ...
            #region Journalist Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.JOURNALIST,
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // Journalist ...
            result.Add(XPolicies.Journalist,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled Journalist ...
            result.Add(XPolicies.EnabledJournalist,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // ResponsibleManager ...
            #region Responsible Manager Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.RESPONSIBLE_MANAGER,
                    XUserRoles.ADMIN
            );

            //
            // ResponsibleManager ...
            result.Add(XPolicies.ResponsibleManager,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled ResponsibleManager ...
            result.Add(XPolicies.EnabledResponsibleManager,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion

            //
            // Admin ...
            #region Admin Related Policies ...
            //
            roleRequirements = new RequiredRolesRequirement(
                    XUserRoles.ADMIN
            );

            //
            // Admin Policy  ...
            result.Add(XPolicies.Admin,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .Build()
            );

            //
            // Enabled Admin Policy  ...
            result.Add(XPolicies.EnabledAdmin,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(roleRequirements)
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion
            #endregion

            //
            // Complex Policies ...
            #region AdminOrAgent Related Policies ...
            //
            // Admin Or Agent Policy  ...
            result.Add(XPolicies.AdminOrAgent,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(new RequiredRolesRequirement(
                    XUserRoles.ADMIN,
                    XUserRoles.AGENT
                ))
                .Build()
            );

            //
            // Enabled Admin Or Agent Policy  ...
            result.Add(XPolicies.EnabledAdminOrAgent,
                new AuthorizationPolicyBuilder()
                .RequireAuthenticatedUser()
                .AddRequirements(new RequiredRolesRequirement(
                    XUserRoles.ADMIN,
                    XUserRoles.AGENT
                ))
                .RequireClaim(
                    XCustomClaims.IsBanned,
                    false.ToString(),
                    false.ToString()
                    .ToNormalString()
                )
                .RequireClaim(
                    XCustomClaims.IsEnabled,
                    true.ToString(),
                    true.ToString()
                    .ToNormalString()
                )
                .Build()
            );
            #endregion
            #endregion

            //
            return result;
        }
    }
}