from dataclasses import dataclass


@dataclass(frozen=True)
class PermissionSpec:
    codename: str
    name: str


PERMISSIONS: tuple[PermissionSpec, ...] = (
    PermissionSpec("ticket.view", "View tickets"),
    PermissionSpec("ticket.create", "Create tickets"),
    PermissionSpec("ticket.edit", "Edit tickets"),
    PermissionSpec("ticket.export", "Export tickets"),
    PermissionSpec("ticket.assign", "Assign tickets"),
    PermissionSpec("ticket.close", "Close tickets"),
    PermissionSpec("knowledge.view", "View knowledge"),
    PermissionSpec("knowledge.manage", "Manage knowledge"),
    PermissionSpec("solution.view", "View solutions"),
    PermissionSpec("solution.manage", "Manage solutions"),
    PermissionSpec("agent.use", "Use Agents"),
    PermissionSpec("agent.manage", "Manage Agents"),
    PermissionSpec("model.manage", "Manage model configs"),
    PermissionSpec("tool.manage", "Manage MCP tools"),
    PermissionSpec("audit.view", "View audit logs"),
    PermissionSpec("system.manage", "Manage system settings"),
)

DEFAULT_GROUPS: dict[str, tuple[str, ...]] = {
    "System Admin": tuple(permission.codename for permission in PERMISSIONS),
    "Knowledge Admin": (
        "ticket.view",
        "knowledge.view",
        "knowledge.manage",
        "solution.view",
        "solution.manage",
        "agent.use",
    ),
    "Support Engineer": (
        "ticket.view",
        "ticket.create",
        "ticket.edit",
        "ticket.assign",
        "ticket.close",
        "knowledge.view",
        "solution.view",
        "agent.use",
    ),
    "Requester": (
        "ticket.view",
        "ticket.create",
        "knowledge.view",
        "solution.view",
    ),
    "Auditor": (
        "ticket.view",
        "knowledge.view",
        "solution.view",
        "audit.view",
    ),
}