// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.30.0
// source: user_roles.sql

package db

import (
	"context"

	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgtype"
)

const assignRoleToUser = `-- name: AssignRoleToUser :one
INSERT INTO user_roles (user_id, role_id)
VALUES (
    $1,
    $2)
RETURNING user_id, role_id, assigned_at
`

type AssignRoleToUserParams struct {
	UserID uuid.UUID `db:"user_id" json:"userId"`
	RoleID uuid.UUID `db:"role_id" json:"roleId"`
}

func (q *Queries) AssignRoleToUser(ctx context.Context, arg AssignRoleToUserParams) (UserRole, error) {
	row := q.db.QueryRow(ctx, assignRoleToUser, arg.UserID, arg.RoleID)
	var i UserRole
	err := row.Scan(&i.UserID, &i.RoleID, &i.AssignedAt)
	return i, err
}

const countUsersByRoleID = `-- name: CountUsersByRoleID :one
SELECT COUNT(*) FROM user_roles
WHERE role_id = $1
`

func (q *Queries) CountUsersByRoleID(ctx context.Context, roleID uuid.UUID) (int64, error) {
	row := q.db.QueryRow(ctx, countUsersByRoleID, roleID)
	var count int64
	err := row.Scan(&count)
	return count, err
}

const getUserRole = `-- name: GetUserRole :one
SELECT user_id, role_id, assigned_at FROM user_roles
WHERE user_id = $1 AND role_id = $2
`

type GetUserRoleParams struct {
	UserID uuid.UUID `db:"user_id" json:"userId"`
	RoleID uuid.UUID `db:"role_id" json:"roleId"`
}

func (q *Queries) GetUserRole(ctx context.Context, arg GetUserRoleParams) (UserRole, error) {
	row := q.db.QueryRow(ctx, getUserRole, arg.UserID, arg.RoleID)
	var i UserRole
	err := row.Scan(&i.UserID, &i.RoleID, &i.AssignedAt)
	return i, err
}

const getUserRolesByRoleID = `-- name: GetUserRolesByRoleID :many
SELECT ur.user_id, ur.role_id, ur.assigned_at, u.username, u.email, u.full_name
FROM user_roles ur
JOIN users u ON u.id = ur.user_id
WHERE ur.role_id = $1
ORDER BY ur.assigned_at DESC
`

type GetUserRolesByRoleIDRow struct {
	UserID     uuid.UUID          `db:"user_id" json:"userId"`
	RoleID     uuid.UUID          `db:"role_id" json:"roleId"`
	AssignedAt pgtype.Timestamptz `db:"assigned_at" json:"assignedAt"`
	Username   string             `db:"username" json:"username"`
	Email      string             `db:"email" json:"email"`
	FullName   pgtype.Text        `db:"full_name" json:"fullName"`
}

func (q *Queries) GetUserRolesByRoleID(ctx context.Context, roleID uuid.UUID) ([]GetUserRolesByRoleIDRow, error) {
	rows, err := q.db.Query(ctx, getUserRolesByRoleID, roleID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUserRolesByRoleIDRow
	for rows.Next() {
		var i GetUserRolesByRoleIDRow
		if err := rows.Scan(
			&i.UserID,
			&i.RoleID,
			&i.AssignedAt,
			&i.Username,
			&i.Email,
			&i.FullName,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const getUserRolesByUserID = `-- name: GetUserRolesByUserID :many
SELECT ur.user_id, ur.role_id, ur.assigned_at, r.name AS role_name, r.description AS role_description
FROM user_roles ur
JOIN roles r ON r.id = ur.role_id
WHERE ur.user_id = $1
ORDER BY ur.assigned_at DESC
`

type GetUserRolesByUserIDRow struct {
	UserID          uuid.UUID          `db:"user_id" json:"userId"`
	RoleID          uuid.UUID          `db:"role_id" json:"roleId"`
	AssignedAt      pgtype.Timestamptz `db:"assigned_at" json:"assignedAt"`
	RoleName        string             `db:"role_name" json:"roleName"`
	RoleDescription pgtype.Text        `db:"role_description" json:"roleDescription"`
}

func (q *Queries) GetUserRolesByUserID(ctx context.Context, userID uuid.UUID) ([]GetUserRolesByUserIDRow, error) {
	rows, err := q.db.Query(ctx, getUserRolesByUserID, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var items []GetUserRolesByUserIDRow
	for rows.Next() {
		var i GetUserRolesByUserIDRow
		if err := rows.Scan(
			&i.UserID,
			&i.RoleID,
			&i.AssignedAt,
			&i.RoleName,
			&i.RoleDescription,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const removeAllRolesFromUser = `-- name: RemoveAllRolesFromUser :exec
DELETE FROM user_roles
WHERE user_id = $1
`

func (q *Queries) RemoveAllRolesFromUser(ctx context.Context, userID uuid.UUID) error {
	_, err := q.db.Exec(ctx, removeAllRolesFromUser, userID)
	return err
}

const removeRoleFromUser = `-- name: RemoveRoleFromUser :exec
DELETE FROM user_roles
WHERE user_id = $1 AND role_id = $2
`

type RemoveRoleFromUserParams struct {
	UserID uuid.UUID `db:"user_id" json:"userId"`
	RoleID uuid.UUID `db:"role_id" json:"roleId"`
}

func (q *Queries) RemoveRoleFromUser(ctx context.Context, arg RemoveRoleFromUserParams) error {
	_, err := q.db.Exec(ctx, removeRoleFromUser, arg.UserID, arg.RoleID)
	return err
}