"""Hardcoded coach backup rules ordered by priority.

Selects the highest-priority matching rule; fills SERVER_PICK when allowed.
"""

from __future__ import annotations

from typing import Any

RULES: list[dict[str, Any]] = [
    {
        "id": "crisis",
        "priority": 100,
        "keywords": ["suicide", "kill myself", "self-harm", "self harm", "end it"],
        "tags": ["crisis"],
        "template": (
            "LOOP: crisis\n"
            "FEELING: overwhelm\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: Contact local emergency / crisis resources now\n"
            "NEXT_BRICK: S\n"
            "DO_NOT: Isolate or escalate alone\n"
            "LINE: Get help before anything else\n"
            "NOTE: This is not therapy; seek real support\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "high_intensity_fse",
        "priority": 95,
        "keywords": [
            "shame",
            "freeze",
            "rerun",
            "fantasy",
            "daydream",
            "movie in my head",
            "stuck indoors",
        ],
        "tags": [
            "shame",
            "freeze",
            "fantasy",
            "indoors",
        ],
        "template": (
            "LOOP: high_fse\n"
            "FEELING: spike\n"
            "INTENSITY_GUESS: high\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: B\n"
            "DO_NOT: Label more or feed the movie with cinematic headphones\n"
            "LINE: Leave the room; one proof step\n"
            "NOTE: Interrupt walk without movie music, or one admin line\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "court",
        "priority": 90,
        "keywords": ["court", "argue with myself", "verdict"],
        "tags": ["court"],
        "template": (
            "LOOP: court\n"
            "FEELING: judgment\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: E\n"
            "DO_NOT: Reopen the case tonight\n"
            "LINE: Close court; one brick only\n"
            "NOTE: Silence after one boundary line\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "rerun",
        "priority": 80,
        "keywords": ["rerun", "replay", "looping the scene"],
        "tags": ["rerun"],
        "template": (
            "LOOP: rerun\n"
            "FEELING: stuck\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: S\n"
            "DO_NOT: Replay the scene again\n"
            "LINE: Interrupt and move body once\n"
            "NOTE: Water or short walk\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "rage_movie",
        "priority": 70,
        "keywords": ["rage", "movie", "fantasy fight"],
        "tags": ["rage", "movie"],
        "template": (
            "LOOP: rage_movie\n"
            "FEELING: heat\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: B\n"
            "DO_NOT: Feed the movie\n"
            "LINE: Name it and stop the reel\n"
            "NOTE: One hygiene or environment act\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "daydream_fc",
        "priority": 60,
        "keywords": ["daydream", "fantasy", "fc"],
        "tags": ["daydream", "fc"],
        "template": (
            "LOOP: daydream\n"
            "FEELING: drift\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: A\n"
            "DO_NOT: Skip today's brick\n"
            "LINE: Brick first, then optional rest\n"
            "NOTE: Daydream only after brick\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "urge_corn",
        "priority": 55,
        "keywords": ["urge", "corn", "delay"],
        "tags": ["urge", "corn"],
        "template": (
            "LOOP: urge\n"
            "FEELING: pull\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: C\n"
            "DO_NOT: Stack sessions\n"
            "LINE: Delay, then one brick\n"
            "NOTE: Ceiling is one session\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "bully",
        "priority": 50,
        "keywords": ["bully", "harsh voice", "attack myself"],
        "tags": ["bully"],
        "template": (
            "LOOP: bully\n"
            "FEELING: harsh\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: E\n"
            "DO_NOT: Argue with the voice\n"
            "LINE: One boundary line then silence\n"
            "NOTE: No pep talk\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "shame",
        "priority": 40,
        "keywords": ["shame", "embarrassed", "humiliated"],
        "tags": ["shame"],
        "template": (
            "LOOP: shame\n"
            "FEELING: shame\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: B\n"
            "DO_NOT: Hide and ruminate\n"
            "LINE: Small body reset, then brick\n"
            "NOTE: Keep it practical\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "spain_admin",
        "priority": 35,
        "keywords": ["admin", "paperwork", "travel", "deadline"],
        "tags": ["admin", "travel"],
        "template": (
            "LOOP: admin\n"
            "FEELING: pressure\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: A\n"
            "DO_NOT: Cancel committed process from fear\n"
            "LINE: One admin checklist item\n"
            "NOTE: Fear is not a cancel signal\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "build_earn",
        "priority": 30,
        "keywords": ["build", "earn", "ship", "work"],
        "tags": ["build", "earn"],
        "template": (
            "LOOP: build\n"
            "FEELING: drive\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: C\n"
            "DO_NOT: Open five fronts\n"
            "LINE: Ship one small unit\n"
            "NOTE: One earn/build act\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "home",
        "priority": 20,
        "keywords": ["home", "mess", "environment"],
        "tags": ["home"],
        "template": (
            "LOOP: home\n"
            "FEELING: clutter\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: B\n"
            "DO_NOT: Redesign everything\n"
            "LINE: One hygiene or tidy act\n"
            "NOTE: Environment first\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "loneliness",
        "priority": 10,
        "keywords": ["lonely", "alone", "isolation"],
        "tags": ["lonely"],
        "template": (
            "LOOP: loneliness\n"
            "FEELING: lonely\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: D\n"
            "DO_NOT: Spiral into absence stories\n"
            "LINE: One logistics line, then brick\n"
            "NOTE: Keep contact practical\n"
            "DATA_THIN: {data_thin}"
        ),
    },
    {
        "id": "default",
        "priority": 0,
        "keywords": [],
        "tags": [],
        "template": (
            "LOOP: default\n"
            "FEELING: mixed\n"
            "INTENSITY_GUESS: n/a\n"
            "REMEDY: {{server_pick}}\n"
            "NEXT_BRICK: A\n"
            "DO_NOT: Overthink the next hour\n"
            "LINE: Do the next small brick\n"
            "NOTE: Checklist over story\n"
            "DATA_THIN: {data_thin}"
        ),
    },
]


DEFAULT_PICK = "Do one listed brick: water, admin item, or tidy act"
INTERRUPT_PICK = (
    "Leave the room, cold water on face, or a 10-min interrupt walk "
    "without cinematic headphones — then one proof line (admin/message)"
)


def select_backup_rule(
    text: str,
    tags: list[str],
    *,
    intensity: int | None = None,
) -> dict[str, Any]:
    """Return the highest-priority rule matching keywords or tags.

    Intensity ≥ 7 forces the high_intensity_fse rule (unless crisis matches).
    """

    haystack = (text or "").lower()
    tag_set = {t.strip().lower() for t in tags if t and t.strip()}
    ordered = sorted(RULES, key=lambda rule: rule["priority"], reverse=True)

    crisis = next((r for r in ordered if r["id"] == "crisis"), None)
    if crisis:
        keywords = crisis.get("keywords") or []
        rule_tags = {t.lower() for t in (crisis.get("tags") or [])}
        if any(keyword in haystack for keyword in keywords) or (tag_set & rule_tags):
            return crisis

    if intensity is not None and intensity >= 7:
        high = next((r for r in ordered if r["id"] == "high_intensity_fse"), None)
        if high:
            return high

    for rule in ordered:
        keywords = rule.get("keywords") or []
        rule_tags = {t.lower() for t in (rule.get("tags") or [])}
        if any(keyword in haystack for keyword in keywords):
            return rule
        if tag_set & rule_tags:
            return rule
    return ordered[-1]


def _sanitize_pick(pick: str, *, force_interrupt: bool) -> str:
    lowered = (pick or "").strip().lower()
    if force_interrupt or "label" in lowered:
        return INTERRUPT_PICK
    return pick or DEFAULT_PICK


def render_backup(
    rule: dict[str, Any],
    *,
    server_picks: list[dict[str, Any]],
    data_thin: bool,
    intensity: int | None = None,
) -> str:
    """Fill the selected rule template with pick and DATA_THIN."""

    pick = server_picks[0]["remedy_key"] if server_picks else DEFAULT_PICK
    force_interrupt = rule["id"] == "high_intensity_fse" or (
        intensity is not None and intensity >= 7
    )
    pick = _sanitize_pick(pick, force_interrupt=force_interrupt)
    if rule["id"] == "crisis":
        text = rule["template"]
    else:
        text = rule["template"].replace("{{server_pick}}", pick)
    return text.format(data_thin=str(data_thin).lower())


def backup_reply(
    text: str,
    tags: list[str],
    server_picks: list[dict[str, Any]],
    *,
    data_thin: bool,
    intensity: int | None = None,
) -> tuple[str, str]:
    """Select and render a backup reply; return (text, rule_id)."""

    rule = select_backup_rule(text, tags, intensity=intensity)
    return (
        render_backup(
            rule,
            server_picks=server_picks,
            data_thin=data_thin,
            intensity=intensity,
        ),
        rule["id"],
    )