"""CLI entry point ``rmgr``."""

from __future__ import annotations

import argparse
import json
from pathlib import Path

from repo_manager.commands.rapp import add_rapp_parser
from repo_manager.commands.rapp import init as rapp_init
from repo_manager.commands.rapp import pin_image as rapp_pin_image
from repo_manager.commands.rapp import place as rapp_place
from repo_manager.commands.rapp import skeleton as rapp_skeleton
from repo_manager.commands.rapp import validate as rapp_validate
from repo_manager.commands.rapp import wrap as rapp_wrap


def _json_object(raw: str) -> dict:
    try:
        value = json.loads(raw)
    except json.JSONDecodeError as exc:
        raise argparse.ArgumentTypeError(str(exc)) from exc
    if not isinstance(value, dict):
        raise argparse.ArgumentTypeError("value must be a JSON object")
    return value


def main(argv: list[str] | None = None) -> int:
    parser = argparse.ArgumentParser(
        prog="rmgr",
        description="Repo Manager CLI (helixforge.repo-manager)",
    )
    parser.add_argument("--version", action="store_true", help="Print package version")
    sub = parser.add_subparsers(dest="command")

    sub.add_parser("version", help="Print version")
    sub.add_parser("dual-run-status", help="Show dual-run flags and mutation meter")

    p_obs = sub.add_parser("observe", help="Observe repository + print snapshot JSON")
    p_obs.add_argument("--path", default=".", help="Repository checkout path")
    p_obs.add_argument("--slug", default=None, help="Override repo slug")

    p_rec = sub.add_parser("reconcile", help="Rebuild local work-record index from files")
    p_rec.add_argument("--path", default=".", help="Repository checkout path")
    p_rec.add_argument("--slug", default=None)
    p_rec.add_argument("--no-write-index", action="store_true", help="Do not write index file")

    p_cmd = sub.add_parser(
        "update-task-status",
        help="Command repo.work.update_task_status (file + git commit)",
    )
    p_cmd.add_argument("--path", default=".", help="Repository checkout path")
    p_cmd.add_argument(
        "--task-id",
        required=True,
        help="Canonical task id or State Hub task UUID",
    )
    p_cmd.add_argument(
        "--status",
        required=True,
        choices=["wait", "todo", "progress", "done", "cancel"],
    )
    p_cmd.add_argument("--reason", default="rmgr CLI")
    p_cmd.add_argument("--correlation-id", default=None)
    p_cmd.add_argument("--idempotency-key", default=None)
    p_cmd.add_argument("--expected-head-sha", default=None)
    p_cmd.add_argument("--slug", default=None)
    p_cmd.add_argument("--push", action="store_true", help="git push after commit (push-seal)")
    p_cmd.add_argument(
        "--no-commit",
        action="store_true",
        help="Patch file only (invalid as full applied evidence; for tests)",
    )

    p_wp = sub.add_parser("workplan", help="Governed file-backed workplan mutations")
    wp_sub = p_wp.add_subparsers(dest="workplan_command")
    p_wp_create = wp_sub.add_parser("create", help="Create a workplan file")
    p_wp_create.add_argument("--path", default=".")
    p_wp_create.add_argument("--workplan-id", required=True)
    p_wp_create.add_argument("--title", required=True)
    p_wp_create.add_argument("--goal", required=True)
    p_wp_create.add_argument(
        "--status",
        choices=["proposed", "ready", "active", "blocked", "backlog", "finished", "archived"],
        default="proposed",
    )
    p_wp_create.add_argument("--owner", default="codex")
    p_wp_create.add_argument("--domain", default=None)
    p_wp_create.add_argument("--topic-slug", default=None)
    p_wp_create.add_argument("--filename", default=None)

    p_wp_update = wp_sub.add_parser("update", help="Update workplan metadata or status")
    p_wp_update.add_argument("--path", default=".")
    p_wp_update.add_argument("--workplan-id", required=True)
    p_wp_update.add_argument("--title", default=None)
    p_wp_update.add_argument(
        "--status",
        choices=["proposed", "ready", "active", "blocked", "backlog", "finished", "archived"],
        default=None,
    )
    p_wp_update.add_argument("--owner", default=None)
    p_wp_update.add_argument("--domain", default=None)
    p_wp_update.add_argument("--topic-slug", default=None)

    p_wp_archive = wp_sub.add_parser(
        "delete",
        help="Recoverable delete: set archived and move to workplans/archived",
    )
    p_wp_archive.add_argument("--path", default=".")
    p_wp_archive.add_argument("--workplan-id", required=True)
    p_wp_archive.add_argument(
        "--confirm",
        action="store_true",
        help="Confirm moving the workplan to the dated archive",
    )

    for wp_parser in (p_wp_create, p_wp_update, p_wp_archive):
        wp_parser.add_argument("--reason", default="rmgr CLI")
        wp_parser.add_argument("--correlation-id", default=None)
        wp_parser.add_argument("--idempotency-key", default=None)
        wp_parser.add_argument("--expected-head-sha", default=None)
        wp_parser.add_argument("--slug", default=None)
        wp_parser.add_argument("--push", action="store_true")
        wp_parser.add_argument("--no-commit", action="store_true")

    register_kinds = [
        "sbom-inventory",
        "repo-goals",
        "upstream-contributions",
        "technical-debt",
        "extension-points",
        "register-entries",
    ]
    p_register = sub.add_parser("register", help="Repository-owned register spine")
    register_sub = p_register.add_subparsers(dest="register_command")
    p_reg_list = register_sub.add_parser("list", help="List indexed register entries")
    p_reg_list.add_argument("--path", default=".")
    p_reg_list.add_argument("--kind", choices=register_kinds, default=None)
    p_reg_list.add_argument("--slug", default=None)
    p_reg_put = register_sub.add_parser("put", help="Create or update a register entry")
    p_reg_put.add_argument("--path", default=".")
    p_reg_put.add_argument("--kind", required=True, choices=register_kinds)
    p_reg_put.add_argument("--entry-id", required=True)
    p_reg_put.add_argument("--title", default=None)
    p_reg_put.add_argument("--status", default=None)
    p_reg_put.add_argument("--data-json", type=_json_object, default=None)
    p_reg_defer = register_sub.add_parser("defer", help="Defer a register entry")
    p_reg_defer.add_argument("--path", default=".")
    p_reg_defer.add_argument("--kind", required=True, choices=register_kinds)
    p_reg_defer.add_argument("--entry-id", required=True)
    p_reg_defer.add_argument("--status", default="deferred")
    p_reg_note = register_sub.add_parser("note", help="Append a note to a register entry")
    p_reg_note.add_argument("--path", default=".")
    p_reg_note.add_argument("--kind", required=True, choices=register_kinds)
    p_reg_note.add_argument("--entry-id", required=True)
    p_reg_note.add_argument("--note", required=True)
    p_reg_note.add_argument("--author", default="codex")
    for register_parser in (p_reg_put, p_reg_defer, p_reg_note):
        register_parser.add_argument("--reason", default="rmgr CLI")
        register_parser.add_argument("--correlation-id", default=None)
        register_parser.add_argument("--idempotency-key", default=None)
        register_parser.add_argument("--expected-head-sha", default=None)
        register_parser.add_argument("--slug", default=None)
        register_parser.add_argument("--push", action="store_true")
        register_parser.add_argument("--no-commit", action="store_true")

    add_rapp_parser(sub)

    p_conf = sub.add_parser("conform", help="Check a repository against flavor standards")
    p_conf.add_argument("--path", default=".", help="Repository checkout path")
    p_conf.add_argument("--slug", default=None)

    p_pref = sub.add_parser(
        "prefix-uniqueness",
        help="Detect shared workplan prefixes and reused identifiers (ADR-007)",
    )
    p_pref.add_argument("--root", default=".", help="Fleet root or a single repository")
    p_pref.add_argument("--registry", default=None, help="Override prefix registry YAML")

    p_scaf = sub.add_parser("scaffold", help="Create flavor-correct repository baseline files")
    p_scaf.add_argument("--path", required=True)
    p_scaf.add_argument("--flavor", required=True, choices=["experimental", "research", "project", "tooling", "product", "business"])
    p_scaf.add_argument("--slug", default=None)
    p_scaf.add_argument("--domain", default="infotech")
    p_scaf.add_argument("--wp-prefix", default=None)
    p_scaf.add_argument("--force", action="store_true")
    p_scaf.add_argument("--no-commit", action="store_true")

    args = parser.parse_args(argv)

    if args.version or args.command in (None, "version"):
        from repo_manager import __version__

        print(__version__)
        return 0

    if args.command == "dual-run-status":
        from repo_manager.dual_run import flags_status

        print(json.dumps(flags_status(), indent=2))
        return 0

    if args.command == "observe":
        from repo_manager.observe import observe_repository

        snap, _idx = observe_repository(Path(args.path), slug=args.slug)
        print(json.dumps(snap, indent=2))
        return 0

    if args.command == "reconcile":
        from repo_manager.dual_run import record_mutation
        from repo_manager.index_store import append_event, save_index
        from repo_manager.observe import observe_repository

        root = Path(args.path)
        snap, index = observe_repository(root, slug=args.slug)
        append_event(
            index,
            {
                "type": "repo.reconciled",
                "workplan_count": snap["index"]["workplan_count"],
                "task_count": snap["index"]["task_count"],
                "source": "repo-manager",
            },
        )
        record_mutation(
            source="repo-manager",
            kind="reconcile",
            repo_slug=snap.get("slug"),
            detail=snap["index"],
        )
        if not args.no_write_index:
            path = save_index(index)
            print(json.dumps({"ok": True, "index_path": str(path), "snapshot": snap}, indent=2))
        else:
            print(json.dumps({"ok": True, "snapshot": snap, "index": index.to_dict()}, indent=2))
        return 0

    if args.command == "update-task-status":
        from repo_manager.commands.task_status import update_task_status

        result = update_task_status(
            Path(args.path),
            args.task_id,
            args.status,
            correlation_id=args.correlation_id,
            reason=args.reason,
            commit=not args.no_commit,
            push=args.push,
            expected_head_sha=args.expected_head_sha,
            idempotency_key=args.idempotency_key,
            repo_slug=args.slug,
        )
        print(json.dumps(result.to_dict(), indent=2))
        return 0 if result.status == "applied" else 1

    if args.command == "workplan":
        from repo_manager.commands.workplan import mutate_workplan

        if not args.workplan_command:
            p_wp.print_help()
            return 2
        operation = "archive" if args.workplan_command == "delete" else args.workplan_command
        result = mutate_workplan(
            Path(args.path),
            args.workplan_id,
            operation=operation,
            title=getattr(args, "title", None),
            goal=getattr(args, "goal", None),
            status=getattr(args, "status", None),
            owner=getattr(args, "owner", None),
            topic_slug=getattr(args, "topic_slug", None),
            domain=getattr(args, "domain", None),
            filename=getattr(args, "filename", None),
            confirm_archive=getattr(args, "confirm", False),
            correlation_id=args.correlation_id,
            reason=args.reason,
            commit=not args.no_commit,
            push=args.push,
            expected_head_sha=args.expected_head_sha,
            idempotency_key=args.idempotency_key,
            repo_slug=args.slug,
        )
        print(json.dumps(result.to_dict(), indent=2))
        return 0 if result.status == "applied" else 1

    if args.command == "register":
        if not args.register_command:
            p_register.print_help()
            return 2
        if args.register_command == "list":
            from repo_manager.observe import observe_repository

            _snapshot, index = observe_repository(Path(args.path), slug=args.slug)
            prefix = f"register:{args.kind}" if args.kind else "register:"
            entries = [r.__dict__ for r in index.work_records if r.kind.startswith(prefix)]
            print(json.dumps({"ok": True, "entries": entries}, indent=2))
            return 0

        from repo_manager.commands.register import mutate_register_entry

        result = mutate_register_entry(
            Path(args.path),
            args.kind,
            args.entry_id,
            operation="upsert" if args.register_command == "put" else args.register_command,
            title=getattr(args, "title", None),
            status=getattr(args, "status", None),
            data=getattr(args, "data_json", None),
            note=getattr(args, "note", None),
            note_author=getattr(args, "author", None),
            correlation_id=args.correlation_id,
            reason=args.reason,
            commit=not args.no_commit,
            push=args.push,
            expected_head_sha=args.expected_head_sha,
            idempotency_key=args.idempotency_key,
            repo_slug=args.slug,
        )
        print(json.dumps(result.to_dict(), indent=2))
        return 0 if result.status == "applied" else 1

    if args.command == "rapp":
        if args.rapp_command == "init":
            result = rapp_init(
                Path(args.path),
                app=args.app,
                ownership_repo=args.ownership_repo,
                rail=args.rail,
                classification=args.classification,
                criticality=args.criticality,
                package_type=args.package_type,
                purpose=args.purpose,
                force=args.force,
            )
        elif args.rapp_command == "validate":
            result = rapp_validate(
                Path(args.path),
                family_root=Path(args.family_root) if args.family_root else None,
            )
        elif args.rapp_command == "skeleton":
            result = rapp_skeleton(
                Path(args.path),
                from_app=Path(args.from_app),
                app=args.app,
                package_type=args.package_type,
                force=args.force,
                dedicated_postgres=args.dedicated_postgres,
            )
        elif args.rapp_command == "wrap":
            result = rapp_wrap(
                Path(args.path),
                app=args.app,
                ownership_repo=args.ownership_repo,
                from_app=Path(args.from_app),
                rail=args.rail,
                classification=args.classification,
                criticality=args.criticality,
                package_type=args.package_type,
                purpose=args.purpose,
                force=args.force,
                dedicated_postgres=args.dedicated_postgres,
                family_root=Path(args.family_root) if args.family_root else None,
            )
        elif args.rapp_command == "place":
            result = rapp_place(
                Path(args.path),
                reef=args.reef,
                family_root=Path(args.family_root) if args.family_root else None,
            )
        elif args.rapp_command == "pin-image":
            result = rapp_pin_image(Path(args.path), args.digest)
        else:
            parser.print_help()
            return 2
        print(json.dumps(result, indent=2))
        return 0 if result.get("ok") else 1

    if args.command == "conform":
        from repo_manager.standards import check_repository

        report = check_repository(Path(args.path), slug=args.slug)
        print(json.dumps(report.to_dict(), indent=2))
        return 0 if report.ok else 1

    if args.command == "prefix-uniqueness":
        from repo_manager.prefix_registry import scan_prefixes

        registry = Path(args.registry) if args.registry else None
        report = scan_prefixes(Path(args.root), registry_path=registry)
        print(json.dumps(report, indent=2))
        return 0 if report.get("ok") else 1

    if args.command == "scaffold":
        from repo_manager.commands.scaffold import scaffold_repository

        result = scaffold_repository(
            Path(args.path),
            flavor=args.flavor,
            slug=args.slug,
            domain=args.domain,
            wp_prefix=args.wp_prefix,
            force=args.force,
            commit=not args.no_commit,
        )
        print(json.dumps(result.to_dict(), indent=2))
        return 0 if result.status == "applied" else 1

    parser.print_help()
    return 0


if __name__ == "__main__":
    raise SystemExit(main())