"""Create the concierge advisor domain.

Revision ID: 0016_concierge_advisors
Revises: 0015_wanfa
"""

from datetime import datetime
import json

from alembic import context, op
import sqlalchemy as sa
from sqlalchemy import inspect

from app.migration_compat import baseline_table_names


revision = "0016_concierge_advisors"
down_revision = "0015_wanfa"
branch_labels = None
depends_on = None


SEED_ADVISORS = (
    {
        "id": "advisor-amanda",
        "avatar": "https://images.unsplash.com/photo-1494790108377-be9c29b29330?auto=format&fit=crop&fm=jpg&q=80&w=240&h=240",
        "name": "Amanda",
        "role": "SENIOR TRAVEL ADVISOR",
        "details": [
            {"icon": "calendar", "label": "服务经验：8年"},
            {"icon": "navigate", "label": "擅长领域：瀑降 / 探洞"},
        ],
        "qrImage": "https://api.qrserver.com/v1/create-qr-code/?size=300x300&data=WonderQ%20Concierge",
        "isActive": True,
        "sortOrder": 0,
    },
    {
        "id": "advisor-mia",
        "avatar": "https://images.unsplash.com/photo-1531123897727-8f129e1688ce?auto=format&fit=crop&fm=jpg&q=80&w=240&h=240",
        "name": "Mia",
        "role": "LIFESTYLE TRAVEL ADVISOR",
        "details": [
            {"icon": "calendar", "label": "服务经验：6年"},
            {"icon": "navigate", "label": "擅长领域：溯溪 / 人文探索"},
        ],
        "qrImage": "https://api.qrserver.com/v1/create-qr-code/?size=300x300&data=WonderQ%20Concierge",
        "isActive": True,
        "sortOrder": 1,
    },
    {
        "id": "advisor-leo",
        "avatar": "https://images.unsplash.com/photo-1500648767791-00dcc994a43e?auto=format&fit=crop&fm=jpg&q=80&w=240&h=240",
        "name": "Leo",
        "role": "WILD TRAVEL ADVISOR",
        "details": [
            {"icon": "calendar", "label": "服务经验：9年"},
            {"icon": "navigate", "label": "擅长领域：洞穴探险 / 山地徒步"},
        ],
        "qrImage": "https://api.qrserver.com/v1/create-qr-code/?size=300x300&data=WonderQ%20Concierge",
        "isActive": True,
        "sortOrder": 2,
    },
)


def is_offline_mode() -> bool:
    try:
        return context.is_offline_mode()
    except (NameError, AttributeError):
        return False


def _seed_advisors() -> None:
    offline = is_offline_mode()
    details_type = sa.Text() if offline else sa.JSON()
    table = sa.table(
        "ConciergeAdvisor",
        sa.column("id", sa.String()),
        sa.column("avatar", sa.String()),
        sa.column("name", sa.String()),
        sa.column("role", sa.String()),
        sa.column("details", details_type),
        sa.column("qrImage", sa.String()),
        sa.column("isActive", sa.Boolean()),
        sa.column("sortOrder", sa.Integer()),
        sa.column("createdAt", sa.DateTime()),
        sa.column("updatedAt", sa.DateTime()),
    )
    timestamp = datetime(2026, 1, 1)
    rows = [{**advisor, "createdAt": timestamp, "updatedAt": timestamp} for advisor in SEED_ADVISORS]
    if offline:
        rows = [{**advisor, "details": json.dumps(advisor["details"], ensure_ascii=False)} for advisor in rows]
    op.bulk_insert(table, rows)


def upgrade() -> None:
    if is_offline_mode():
        existing_tables = baseline_table_names()
    else:
        bind = op.get_bind()
        existing_tables = set(inspect(bind).get_table_names())
    if "ConciergeAdvisor" not in existing_tables:
        op.create_table(
            "ConciergeAdvisor",
            sa.Column("id", sa.String(), nullable=False),
            sa.Column("avatar", sa.String(), nullable=False),
            sa.Column("name", sa.String(), nullable=False),
            sa.Column("role", sa.String(), nullable=False),
            sa.Column("details", sa.JSON(), nullable=False),
            sa.Column("qrImage", sa.String(), nullable=False),
            sa.Column("isActive", sa.Boolean(), nullable=False, server_default=sa.true()),
            sa.Column("sortOrder", sa.Integer(), nullable=False, server_default="0"),
            sa.Column("createdAt", sa.DateTime(), nullable=False),
            sa.Column("updatedAt", sa.DateTime(), nullable=False),
            sa.PrimaryKeyConstraint("id"),
        )
        op.create_index("ix_ConciergeAdvisor_isActive", "ConciergeAdvisor", ["isActive"])
        op.create_index("ix_ConciergeAdvisor_sortOrder", "ConciergeAdvisor", ["sortOrder"])

    if is_offline_mode():
        _seed_advisors()
        return

    advisor_table = sa.table("ConciergeAdvisor", sa.column("id", sa.String()))
    if bind.execute(sa.select(advisor_table.c.id).limit(1)).first() is None:
        _seed_advisors()


def downgrade() -> None:
    bind = op.get_bind()
    existing_tables = set(inspect(bind).get_table_names())
    if "ConciergeAdvisor" in existing_tables:
        op.drop_table("ConciergeAdvisor")