"""Initial schema - all 14 tables

Revision ID: 001_initial
Revises:
Create Date: 2026-04-01
"""
from alembic import op
import sqlalchemy as sa

revision = "001_initial"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    # --- roles ---
    op.create_table(
        "roles",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(50), unique=True, nullable=False),
        sa.Column("display_name", sa.String(100), nullable=False),
        sa.Column("description", sa.Text),
        sa.Column("permissions", sa.Text),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- users ---
    op.create_table(
        "users",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("username", sa.String(50), unique=True, nullable=False),
        sa.Column("email", sa.String(100), unique=True),
        sa.Column("hashed_password", sa.String(200), nullable=False),
        sa.Column("full_name", sa.String(100)),
        sa.Column("phone", sa.String(20)),
        sa.Column("role", sa.String(50), sa.ForeignKey("roles.name"), default="visitor"),
        sa.Column("is_active", sa.Boolean, default=True),
        sa.Column("last_login", sa.DateTime(timezone=True)),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_users_username", "users", ["username"])

    # --- audit_logs ---
    op.create_table(
        "audit_logs",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("user_id", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("action", sa.String(50), nullable=False),
        sa.Column("resource", sa.String(100)),
        sa.Column("detail", sa.Text),
        sa.Column("ip_address", sa.String(50)),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- device_types ---
    op.create_table(
        "device_types",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("code", sa.String(50), unique=True, nullable=False),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("icon", sa.String(100)),
        sa.Column("data_fields", sa.JSON),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- device_groups ---
    op.create_table(
        "device_groups",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("parent_id", sa.Integer, sa.ForeignKey("device_groups.id")),
        sa.Column("location", sa.String(200)),
        sa.Column("description", sa.Text),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- devices ---
    op.create_table(
        "devices",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("code", sa.String(100), unique=True, nullable=False),
        sa.Column("device_type", sa.String(50), sa.ForeignKey("device_types.code"), nullable=False),
        sa.Column("group_id", sa.Integer, sa.ForeignKey("device_groups.id")),
        sa.Column("model", sa.String(100)),
        sa.Column("manufacturer", sa.String(100)),
        sa.Column("serial_number", sa.String(100)),
        sa.Column("rated_power", sa.Float),
        sa.Column("install_date", sa.DateTime(timezone=True)),
        sa.Column("location", sa.String(200)),
        sa.Column("protocol", sa.String(50)),
        sa.Column("connection_params", sa.JSON),
        sa.Column("collect_interval", sa.Integer, default=15),
        sa.Column("status", sa.String(20), default="offline"),
        sa.Column("is_active", sa.Boolean, default=True),
        sa.Column("metadata", sa.JSON),
        sa.Column("last_data_time", sa.DateTime(timezone=True)),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- energy_data ---
    op.create_table(
        "energy_data",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("device_id", sa.Integer, sa.ForeignKey("devices.id"), nullable=False),
        sa.Column("timestamp", sa.DateTime(timezone=True), nullable=False),
        sa.Column("data_type", sa.String(50), nullable=False),
        sa.Column("value", sa.Float, nullable=False),
        sa.Column("unit", sa.String(20)),
        sa.Column("quality", sa.Integer, default=0),
        sa.Column("raw_data", sa.JSON),
    )
    op.create_index("ix_energy_data_device_id", "energy_data", ["device_id"])
    op.create_index("ix_energy_data_timestamp", "energy_data", ["timestamp"])

    # --- energy_daily_summary ---
    op.create_table(
        "energy_daily_summary",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("device_id", sa.Integer, sa.ForeignKey("devices.id"), nullable=False),
        sa.Column("date", sa.DateTime(timezone=True), nullable=False),
        sa.Column("energy_type", sa.String(50), nullable=False),
        sa.Column("total_consumption", sa.Float, default=0),
        sa.Column("total_generation", sa.Float, default=0),
        sa.Column("peak_power", sa.Float),
        sa.Column("min_power", sa.Float),
        sa.Column("avg_power", sa.Float),
        sa.Column("operating_hours", sa.Float),
        sa.Column("avg_cop", sa.Float),
        sa.Column("avg_temperature", sa.Float),
        sa.Column("cost", sa.Float),
        sa.Column("carbon_emission", sa.Float),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_energy_daily_summary_device_id", "energy_daily_summary", ["device_id"])
    op.create_index("ix_energy_daily_summary_date", "energy_daily_summary", ["date"])

    # --- alarm_rules ---
    op.create_table(
        "alarm_rules",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(200), nullable=False),
        sa.Column("device_id", sa.Integer, sa.ForeignKey("devices.id")),
        sa.Column("device_type", sa.String(50)),
        sa.Column("data_type", sa.String(50), nullable=False),
        sa.Column("condition", sa.String(20), nullable=False),
        sa.Column("threshold", sa.Float),
        sa.Column("threshold_high", sa.Float),
        sa.Column("threshold_low", sa.Float),
        sa.Column("duration", sa.Integer, default=0),
        sa.Column("severity", sa.String(20), default="warning"),
        sa.Column("notify_channels", sa.JSON),
        sa.Column("notify_targets", sa.JSON),
        sa.Column("auto_action", sa.JSON),
        sa.Column("silence_start", sa.String(10)),
        sa.Column("silence_end", sa.String(10)),
        sa.Column("is_active", sa.Boolean, default=True),
        sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- alarm_events ---
    op.create_table(
        "alarm_events",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("rule_id", sa.Integer, sa.ForeignKey("alarm_rules.id")),
        sa.Column("device_id", sa.Integer, sa.ForeignKey("devices.id"), nullable=False),
        sa.Column("severity", sa.String(20), nullable=False),
        sa.Column("title", sa.String(200), nullable=False),
        sa.Column("description", sa.Text),
        sa.Column("value", sa.Float),
        sa.Column("threshold", sa.Float),
        sa.Column("status", sa.String(20), default="active"),
        sa.Column("acknowledged_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("acknowledged_at", sa.DateTime(timezone=True)),
        sa.Column("resolved_at", sa.DateTime(timezone=True)),
        sa.Column("resolve_note", sa.Text),
        sa.Column("triggered_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- emission_factors ---
    op.create_table(
        "emission_factors",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("energy_type", sa.String(50), nullable=False),
        sa.Column("factor", sa.Float, nullable=False),
        sa.Column("unit", sa.String(20), nullable=False),
        sa.Column("region", sa.String(50), default="north_china"),
        sa.Column("scope", sa.Integer, nullable=False),
        sa.Column("source", sa.String(200)),
        sa.Column("year", sa.Integer),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- carbon_emissions ---
    op.create_table(
        "carbon_emissions",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("date", sa.DateTime(timezone=True), nullable=False),
        sa.Column("scope", sa.Integer, nullable=False),
        sa.Column("category", sa.String(50), nullable=False),
        sa.Column("emission", sa.Float, nullable=False),
        sa.Column("reduction", sa.Float, default=0),
        sa.Column("energy_consumption", sa.Float),
        sa.Column("energy_unit", sa.String(20)),
        sa.Column("emission_factor_id", sa.Integer),
        sa.Column("note", sa.Text),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_carbon_emissions_date", "carbon_emissions", ["date"])

    # --- report_templates ---
    op.create_table(
        "report_templates",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("report_type", sa.String(50), nullable=False),
        sa.Column("description", sa.Text),
        sa.Column("fields", sa.JSON, nullable=False),
        sa.Column("filters", sa.JSON),
        sa.Column("aggregation", sa.String(20), default="sum"),
        sa.Column("time_granularity", sa.String(20), default="hour"),
        sa.Column("format_config", sa.JSON),
        sa.Column("is_system", sa.Boolean, default=False),
        sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- report_tasks ---
    op.create_table(
        "report_tasks",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("template_id", sa.Integer, sa.ForeignKey("report_templates.id"), nullable=False),
        sa.Column("name", sa.String(200)),
        sa.Column("schedule", sa.String(50)),
        sa.Column("next_run", sa.DateTime(timezone=True)),
        sa.Column("last_run", sa.DateTime(timezone=True)),
        sa.Column("recipients", sa.JSON),
        sa.Column("export_format", sa.String(20), default="xlsx"),
        sa.Column("file_path", sa.String(500)),
        sa.Column("status", sa.String(20), default="pending"),
        sa.Column("is_active", sa.Boolean, default=True),
        sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )


def downgrade() -> None:
    op.drop_table("report_tasks")
    op.drop_table("report_templates")
    op.drop_table("carbon_emissions")
    op.drop_table("emission_factors")
    op.drop_table("alarm_events")
    op.drop_table("alarm_rules")
    op.drop_table("energy_daily_summary")
    op.drop_table("energy_data")
    op.drop_table("devices")
    op.drop_table("device_groups")
    op.drop_table("device_types")
    op.drop_table("audit_logs")
    op.drop_table("users")
    op.drop_table("roles")