from __future__ import annotations

from govoplan_core.core.access import CAPABILITY_AUTH_PERMISSION_EVALUATOR, CAPABILITY_AUTH_PRINCIPAL_RESOLVER
from govoplan_core.core.modules import DocumentationLink, DocumentationTopic, ModuleManifest, PermissionDefinition, RoleTemplate

MODULE_ID = "procurement"
MODULE_NAME = "Procurement"
MODULE_VERSION = "0.1.8"
READ_SCOPE = "procurement:workspace:read"
WRITE_SCOPE = "procurement:workspace:write"
ADMIN_SCOPE = "procurement:workspace:admin"
OPTIONAL_DEPENDENCIES = (
    "approvals",
    "contracts",
    "xrechnung",
    "payments",
    "erp",
    "ledger",
    "files",
    "workflow",
)


def _permission(scope: str, label: str, description: str) -> PermissionDefinition:
    module_id, resource, action = scope.split(":", 2)
    return PermissionDefinition(
        scope=scope,
        label=label,
        description=description,
        category="Procurement",
        level="tenant",
        module_id=module_id,
        resource=resource,
        action=action,
    )


PERMISSIONS = (
    _permission(READ_SCOPE, "View procurement workspace", "Read procurement records, configuration, and workflow context."),
    _permission(WRITE_SCOPE, "Manage procurement workspace", "Create and update procurement records and workflow state."),
    _permission(ADMIN_SCOPE, "Administer procurement workspace", "Configure procurement policies, templates, and tenant-level administration."),
)

ROLE_TEMPLATES = (
    RoleTemplate(
        slug="procurement_manager",
        name="Procurement manager",
        description="Manage procurement records and workflow state.",
        permissions=(READ_SCOPE, WRITE_SCOPE),
    ),
    RoleTemplate(
        slug="procurement_viewer",
        name="Procurement viewer",
        description="Read procurement records and workflow context.",
        permissions=(READ_SCOPE,),
    ),
)

DOCUMENTATION = (
    DocumentationTopic(
        id=f"{MODULE_ID}.module-boundary",
        title=f"{MODULE_NAME} module boundary",
        summary="Procurement procedures for purchase requests, approvals, vendor comparison, tender references, contract handoff, goods receipt, and invoice matching.",
        body=(
            "This repository is currently a platform module seed. It registers the domain boundary, "
            "permission surface, role templates, and documentation metadata before runtime APIs, "
            "database models, migrations, and WebUI routes are introduced."
        ),
        layer="available",
        documentation_types=("admin",),
        audience=("operator", "module_admin", "product_owner"),
        order=100,
        related_modules=OPTIONAL_DEPENDENCIES,
        links=(
            DocumentationLink(
                label="Repository domain boundary",
                href="govoplan-procurement/docs/PROCUREMENT_DOMAIN_BOUNDARY.md",
                kind="repository",
            ),
        ),
        metadata={
            "seed": True,
            "domain_objects": ['purchase request lifecycle', 'vendor comparison records', 'tender references', 'goods receipt facts', 'contract handoff state', 'invoice matching context'],
            "first_slice": "Define purchase request, vendor comparison, goods receipt, and contract handoff records before integrating approval chains.",
        },
    ),
)

manifest = ModuleManifest(
    id=MODULE_ID,
    name=MODULE_NAME,
    version=MODULE_VERSION,
    dependencies=("access",),
    optional_dependencies=OPTIONAL_DEPENDENCIES,
    required_capabilities=(CAPABILITY_AUTH_PRINCIPAL_RESOLVER, CAPABILITY_AUTH_PERMISSION_EVALUATOR),
    permissions=PERMISSIONS,
    role_templates=ROLE_TEMPLATES,
    documentation=DOCUMENTATION,
)


def get_manifest() -> ModuleManifest:
    return manifest