#ifndef OATPP_AUTHKIT_DB_USER_PERMISSION_DB_HPP
#define OATPP_AUTHKIT_DB_USER_PERMISSION_DB_HPP

// DbClient + declarative schema for user_property_permissions and
// user_group_permissions (authkit#14 PRs 2 & 3).
//
// Cross-table effective-permission queries that join consumer-side
// tables (e.g. fewo's property_set_members) stay in the consumer — only
// the standalone DbClient queries that operate on these two tables move
// here.

#include "oatpp-authkit/dto/UserPermissionDto.hpp"
#include "oatpp-authkit/repo/SchemaContract.hpp"

#include "oatpp-sqlite/orm.hpp"

#include OATPP_CODEGEN_BEGIN(DbClient)

namespace oatpp_authkit::db {

/**
 * @brief DbClient for user_property_permissions and user_group_permissions.
 */
class UserPermissionDb : public oatpp::orm::DbClient {
public:
    UserPermissionDb(const std::shared_ptr<oatpp::orm::Executor>& executor)
        : oatpp::orm::DbClient(executor) {}

    // ---- user_property_permissions ----

    QUERY(getAllPropertyPermissions,
          "SELECT * FROM user_property_permissions "
          "WHERE valid_from <= datetime('now') AND valid_until > datetime('now');")

    QUERY(getAllPropertyPermissionsRaw,
          "SELECT * FROM user_property_permissions;")

    QUERY(getPropertyPermissionsForUser,
          "SELECT * FROM user_property_permissions "
          "WHERE user_id = :userId "
          "  AND valid_from <= datetime('now') AND valid_until > datetime('now');",
          PARAM(oatpp::String, userId))

    QUERY(getPropertyPermissionByEntityId,
          "SELECT * FROM user_property_permissions "
          "WHERE entity_id = :entityId "
          "  AND valid_from <= datetime('now') AND valid_until > datetime('now');",
          PARAM(oatpp::String, entityId))

    QUERY(upsertPropertyPermissionById,
          "INSERT INTO user_property_permissions "
          "  (id, entity_id, user_id, property_id, permission, valid_from, valid_until) "
          "VALUES "
          "  (:p.id, :p.entityId, :p.userId, :p.propertyId, :p.permission, "
          "   :p.validFrom, :p.validUntil) "
          "ON CONFLICT(id) DO UPDATE SET "
          "  entity_id   = excluded.entity_id, "
          "  user_id     = excluded.user_id, "
          "  property_id = excluded.property_id, "
          "  permission  = excluded.permission, "
          "  valid_from  = excluded.valid_from, "
          "  valid_until = excluded.valid_until;",
          PARAM(oatpp::Object<dto::UserPropertyPermissionDto>, p))

    QUERY(softDeletePropertyPermission,
          "UPDATE user_property_permissions SET valid_until = datetime('now') "
          "WHERE entity_id = :entityId AND valid_until > datetime('now');",
          PARAM(oatpp::String, entityId))

    // ---- user_group_permissions ----

    QUERY(getAllGroupPermissions,
          "SELECT * FROM user_group_permissions "
          "WHERE valid_from <= datetime('now') AND valid_until > datetime('now');")

    QUERY(getAllGroupPermissionsRaw,
          "SELECT * FROM user_group_permissions;")

    QUERY(getGroupPermissionsForUser,
          "SELECT * FROM user_group_permissions "
          "WHERE user_id = :userId "
          "  AND valid_from <= datetime('now') AND valid_until > datetime('now');",
          PARAM(oatpp::String, userId))

    QUERY(getGroupPermissionByEntityId,
          "SELECT * FROM user_group_permissions "
          "WHERE entity_id = :entityId "
          "  AND valid_from <= datetime('now') AND valid_until > datetime('now');",
          PARAM(oatpp::String, entityId))

    QUERY(upsertGroupPermissionById,
          "INSERT INTO user_group_permissions "
          "  (id, entity_id, user_id, set_id, permission, valid_from, valid_until) "
          "VALUES "
          "  (:p.id, :p.entityId, :p.userId, :p.setId, :p.permission, "
          "   :p.validFrom, :p.validUntil) "
          "ON CONFLICT(id) DO UPDATE SET "
          "  entity_id   = excluded.entity_id, "
          "  user_id     = excluded.user_id, "
          "  set_id      = excluded.set_id, "
          "  permission  = excluded.permission, "
          "  valid_from  = excluded.valid_from, "
          "  valid_until = excluded.valid_until;",
          PARAM(oatpp::Object<dto::UserGroupPermissionDto>, p))

    QUERY(softDeleteGroupPermission,
          "UPDATE user_group_permissions SET valid_until = datetime('now') "
          "WHERE entity_id = :entityId AND valid_until > datetime('now');",
          PARAM(oatpp::String, entityId))
};

/**
 * @brief Declarative schema for `user_property_permissions`.
 *
 * Composes with `TemporalRepository<UserPropertyPermissionDto>` to produce
 * the full table including the temporal `valid_until` + composite UNIQUE
 * index. The natural-key UNIQUE `(user_id, property_id, valid_until)` is
 * carried as an explicit index here so duplicate live grants for the
 * same (user, property) pair are prevented at the DB level.
 */
struct UserPropertyPermissionSchema {
    inline static constexpr repo::ColumnSpec kColumns[] = {
        {"id",          "TEXT PRIMARY KEY"},
        {"entity_id",   "TEXT NOT NULL"},
        {"user_id",     "TEXT NOT NULL"},
        {"property_id", "TEXT NOT NULL"},
        {"permission",  "TEXT NOT NULL DEFAULT 'readonly'"},
        // valid_from / valid_until come from TemporalRepository.
    };
    inline static constexpr repo::IndexSpec kIndexes[] = {
        {"ix_{table}_entity_id",            false, "(entity_id)"},
        {"ix_{table}_user_id",              false, "(user_id)"},
        {"ux_{table}_user_property_until",  true,
         "(user_id, property_id, valid_until)"},
    };

    inline static constexpr repo::DecoratorSchema kSchema = {
        "UserPropertyPermissionSchema",
        kColumns, sizeof(kColumns)/sizeof(kColumns[0]),
        kIndexes, sizeof(kIndexes)/sizeof(kIndexes[0]),
        nullptr, 0,
    };
};

/**
 * @brief Declarative schema for `user_group_permissions`.
 *
 * Mirrors `UserPropertyPermissionSchema` with `set_id` instead of
 * `property_id`. The natural-key UNIQUE prevents duplicate live grants
 * for the same (user, set) pair.
 */
struct UserGroupPermissionSchema {
    inline static constexpr repo::ColumnSpec kColumns[] = {
        {"id",         "TEXT PRIMARY KEY"},
        {"entity_id",  "TEXT NOT NULL"},
        {"user_id",    "TEXT NOT NULL"},
        {"set_id",     "TEXT NOT NULL"},
        {"permission", "TEXT NOT NULL DEFAULT 'readonly'"},
    };
    inline static constexpr repo::IndexSpec kIndexes[] = {
        {"ix_{table}_entity_id",       false, "(entity_id)"},
        {"ix_{table}_user_id",         false, "(user_id)"},
        {"ux_{table}_user_set_until",  true,  "(user_id, set_id, valid_until)"},
    };

    inline static constexpr repo::DecoratorSchema kSchema = {
        "UserGroupPermissionSchema",
        kColumns, sizeof(kColumns)/sizeof(kColumns[0]),
        kIndexes, sizeof(kIndexes)/sizeof(kIndexes[0]),
        nullptr, 0,
    };
};

} // namespace oatpp_authkit::db

#include OATPP_CODEGEN_END(DbClient)

#endif