"""Public contract for the report_generator plugin.

Exposes models and PDF generation functions for other plugins.
"""

from __future__ import annotations

from app.plugins.builtins.contracts import get_contract_registry
from app.plugins.builtins.report_generator.models import (
    ReportInstance,
    ReportTemplate,
)
from app.plugins.builtins.report_generator.pdf_generator import (
    PRESET_META,
    PRESET_TEMPLATES,
    generate_pdf,
    generate_pdf_from_template_content,
    generate_preset_report,
    generate_print_pdf,
    get_preset_list,
    render_template_file,
    render_template_string,
)


class ReportGeneratorContract:
    """Public API surface for the report_generator plugin."""

    contract_name = "report_generator"

    # ─── models ───
    ReportTemplate = ReportTemplate
    ReportInstance = ReportInstance

    # ─── pdf_generator ───
    generate_pdf = staticmethod(generate_pdf)
    generate_print_pdf = staticmethod(generate_print_pdf)
    generate_preset_report = staticmethod(generate_preset_report)
    generate_pdf_from_template_content = staticmethod(generate_pdf_from_template_content)
    render_template_file = staticmethod(render_template_file)
    render_template_string = staticmethod(render_template_string)
    get_preset_list = staticmethod(get_preset_list)
    PRESET_META = PRESET_META
    PRESET_TEMPLATES = PRESET_TEMPLATES

    # ─── Workspace Scopes contribution (Phase N4) ───

    @staticmethod
    def workspace_scopes() -> list[dict]:
        """Scope-Dimensionen des reports-Moduls: Vorlagen-Teilmengen (N4)."""
        return [
            {
                "module_key": "reports",
                "dimensions": [
                    {
                        "key": "template_ids",
                        "label": "Vorlagen",
                        "control": "multiselect",
                        "options": [],
                        "value_source": {
                            "endpoint": "/api/v1/reports/print-templates",
                            "items_path": "items",
                            "value_key": "id",
                            "label_key": "name",
                        },
                    },
                ],
            }
        ]


# ─── self-registration ───

_contract = ReportGeneratorContract()
get_contract_registry().register("report_generator", _contract)


__all__ = [
    "ReportGeneratorContract",
    "ReportTemplate",
    "ReportInstance",
]