-- =============================================================
-- 嘉谷低空智控平台 数据库初始化脚本
-- 引擎: InnoDB / 字符集: utf8mb4
-- 说明: 所有 BIGINT 主键均为 Snowflake 雪花 ID，无 AUTO_INCREMENT
-- =============================================================

CREATE DATABASE IF NOT EXISTS laic DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
USE laic;

-- ---------------------------------------------------------------
-- 5.1 用户
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS `user` (
    id              BIGINT PRIMARY KEY,
    name            VARCHAR(32) NOT NULL,
    phone           VARCHAR(32) NOT NULL,
    email           VARCHAR(64),
    password        VARCHAR(64) NOT NULL,
    role            VARCHAR(16) DEFAULT 'user',   -- admin / user
    traffic_balance BIGINT DEFAULT 0,             -- 云媒体剩余流量(字节)，慢快照，权威在 Redis
    status          TINYINT DEFAULT 1,            -- 1 正常 / 0 禁用
    last_login      DATETIME,
    created_at      DATETIME,
    updated_at      DATETIME,
    UNIQUE KEY idx_phone (phone)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.2 机巢 & 无人机
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS dock (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    dock_id         VARCHAR(64) NOT NULL,         -- MQTT dockId (dock-xxx)
    name            VARCHAR(64) DEFAULT '',
    code            VARCHAR(32) DEFAULT '',
    sn              VARCHAR(64) DEFAULT '',
    iccid           VARCHAR(32) DEFAULT '',        -- 冗余，权威见 sim_card.iccid
    longitude       DOUBLE DEFAULT 0,
    latitude        DOUBLE DEFAULT 0,
    altitude        DOUBLE DEFAULT 0,
    location        VARCHAR(128) DEFAULT '',
    status          VARCHAR(32) DEFAULT 'offline',
    register_status VARCHAR(16) DEFAULT 'pending', -- pending/registered
    dock_id_source  VARCHAR(32) DEFAULT '',
    software_ver    VARCHAR(16) DEFAULT '',
    protocol_ver    VARCHAR(8) DEFAULT '1.0',
    created_at      DATETIME,
    updated_at      DATETIME,
    UNIQUE KEY idx_dock_id (dock_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS drone (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    drone_sn        VARCHAR(32) NOT NULL,         -- 飞控 HW_SN_NUM
    dock_id         VARCHAR(64) NOT NULL,         -- 绑定的机巢 dock_id（1:1）
    name            VARCHAR(64) DEFAULT '',
    code            VARCHAR(32) DEFAULT '',
    model           VARCHAR(32) DEFAULT '',
    status          VARCHAR(32) DEFAULT 'offline',
    battery         INT DEFAULT 0,
    firmware_ver    VARCHAR(16) DEFAULT '',
    created_at      DATETIME,
    updated_at      DATETIME,
    UNIQUE KEY idx_drone_sn (drone_sn),
    UNIQUE KEY idx_drone_dock (dock_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.3 告警
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS alarm_code (
    id          BIGINT PRIMARY KEY,
    code        VARCHAR(64) NOT NULL,
    category    VARCHAR(32) NOT NULL,             -- dock / drone
    message_cn  VARCHAR(256) NOT NULL,
    level       VARCHAR(16) DEFAULT 'critical',
    source      VARCHAR(128) DEFAULT '',
    created_at  DATETIME,
    updated_at  DATETIME,
    UNIQUE KEY idx_code (code)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS alarm (
    id              BIGINT PRIMARY KEY,
    dock_id         VARCHAR(64) NOT NULL,
    code            VARCHAR(64) NOT NULL,
    device_type     VARCHAR(8) NOT NULL,          -- dock / drone
    message_cn      VARCHAR(256) NOT NULL,
    level           VARCHAR(16) NOT NULL,
    status          VARCHAR(16) DEFAULT 'active', -- active / acknowledged / resolved
    triggered_at    DATETIME,
    resolved_at     DATETIME,
    created_at      DATETIME,
    KEY idx_alarm_dock (dock_id, status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.4 指令 & 工作流
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS device_command_log (
    id              BIGINT PRIMARY KEY,           -- = commandId (Snowflake)
    dock_id         VARCHAR(64) NOT NULL,
    command_type    VARCHAR(64) NOT NULL,         -- dock.open / drone.takeoff / workflow.start_task
    params          JSON,
    drone_sn        VARCHAR(32),
    request_id      VARCHAR(64),
    ttl_ms          INT DEFAULT 30000,
    ack_accepted    TINYINT,
    ack_result_code VARCHAR(64),
    status          VARCHAR(16) DEFAULT 'sent',   -- sent / acked / timeout / terminal
    retry_count     INT DEFAULT 0,
    sent_at         DATETIME,
    acked_at        DATETIME,
    created_at      DATETIME,
    KEY idx_cmd_log_dock (dock_id, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS workflow_state (
    id              BIGINT PRIMARY KEY,
    dock_id         VARCHAR(64) NOT NULL,
    command_id      VARCHAR(64),
    type            VARCHAR(64),
    task_id         VARCHAR(128),
    mission_id      VARCHAR(128),
    state           VARCHAR(16) NOT NULL,         -- idle / running / succeeded / failed / cancelled
    step            VARCHAR(64) NOT NULL,
    result_code     VARCHAR(64),
    updated_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.5 固件管理
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS firmware (
    id              BIGINT PRIMARY KEY,
    component       VARCHAR(32) NOT NULL,           -- 固定 dock-edge-agent
    version         VARCHAR(32) NOT NULL,           -- 1.3.0
    description     VARCHAR(512) DEFAULT '',
    file_url        VARCHAR(512) NOT NULL,
    sha256          VARCHAR(128) NOT NULL,
    signature       TEXT NOT NULL,
    file_size       BIGINT DEFAULT 0,
    mandatory       TINYINT DEFAULT 0,
    status          VARCHAR(16) DEFAULT 'draft',    -- draft/released/deprecated
    created_by      BIGINT NOT NULL,
    created_at      DATETIME,
    updated_at      DATETIME,
    UNIQUE KEY idx_component_ver (component, version)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.6 任务 & 航线
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS task_plan (
    id              VARCHAR(128) PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    name            VARCHAR(128) NOT NULL,
    dock_id         VARCHAR(64) NOT NULL,
    route_id        BIGINT,
    schedule_type   VARCHAR(16) DEFAULT 'once',   -- once / cron
    schedule_cron   VARCHAR(32),
    video_policy    VARCHAR(16) DEFAULT 'raw',
    status          VARCHAR(16) DEFAULT 'draft',
    created_by      BIGINT,
    created_at      DATETIME,
    updated_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS task_execution (
    id              BIGINT PRIMARY KEY,
    task_id         VARCHAR(128),
    command_id      VARCHAR(64),
    dock_id         VARCHAR(64) NOT NULL,
    drone_sn        VARCHAR(32),
    start_time      DATETIME,
    end_time        DATETIME,
    status          VARCHAR(16) DEFAULT 'pending',
    trajectory_json JSON,
    created_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS route (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    name            VARCHAR(128) NOT NULL,
    description     VARCHAR(256),
    created_at      DATETIME,
    updated_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS route_waypoint (
    id          BIGINT PRIMARY KEY,
    route_id    BIGINT NOT NULL,
    seq         INT NOT NULL,
    longitude   DOUBLE,
    latitude    DOUBLE,
    altitude    DOUBLE,
    speed       DOUBLE,
    yaw         DOUBLE,
    hold_sec    INT DEFAULT 0,
    created_at  DATETIME,
    UNIQUE KEY uk_route_seq (route_id, seq)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.7 媒体
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS live_session (
    id              VARCHAR(128) PRIMARY KEY,      -- streamSessionId
    dock_id         VARCHAR(64) NOT NULL,
    provider        VARCHAR(16) DEFAULT 'aliyun',
    stream_name     VARCHAR(128) NOT NULL,         -- 直播流名（每次会话唯一）
    push_url_hash   VARCHAR(128),
    expires_at      BIGINT NOT NULL,
    max_bitrate_bps BIGINT DEFAULT 1500000,
    phase           VARCHAR(16) DEFAULT 'idle',
    stop_reason     VARCHAR(32),
    error_code      VARCHAR(64),
    requested_by    BIGINT,
    stop_deadline   DATETIME,
    device_state_version BIGINT DEFAULT 0,
    device_event_id VARCHAR(128),
    device_updated_at BIGINT DEFAULT 0,
    cloud_confirmed_at DATETIME,
    started_at      DATETIME,
    stopped_at      DATETIME,
    created_at      DATETIME,
    updated_at      DATETIME,
    active_dock_id  VARCHAR(64) GENERATED ALWAYS AS (
        CASE WHEN phase IN ('starting', 'streaming', 'reconnecting', 'stopping') THEN dock_id ELSE NULL END
    ) STORED,
    KEY idx_live_session_dock_phase (dock_id, phase, created_at),
    KEY idx_live_session_phase_deadline (phase, stop_deadline),
    UNIQUE KEY uk_live_session_device_event (device_event_id),
    UNIQUE KEY uk_live_session_active_dock (active_dock_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS live_viewer_lease (
    id BIGINT PRIMARY KEY,
    stream_session_id VARCHAR(128) NOT NULL,
    viewer_id BIGINT NOT NULL,
    expires_at DATETIME NOT NULL,
    released_at DATETIME NULL,
    created_at DATETIME NULL,
    updated_at DATETIME NULL,
    UNIQUE KEY uk_live_viewer (stream_session_id, viewer_id),
    KEY idx_live_lease_expire (stream_session_id, expires_at),
    KEY idx_live_lease_active (stream_session_id, released_at, expires_at),
    CONSTRAINT fk_live_lease_session FOREIGN KEY (stream_session_id) REFERENCES live_session(id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS video (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    drone_sn        VARCHAR(32),
    execution_id    BIGINT,
    file_name       VARCHAR(256),
    file_size       BIGINT,
    duration        INT,
    oss_key         VARCHAR(256),
    oss_bucket      VARCHAR(128),                 -- 预签名上传的目标 bucket
    thumbnail_key   VARCHAR(256),
    status          VARCHAR(16) DEFAULT 'uploading',
    upload_expire_at DATETIME,                    -- 预签名 PUT URL 过期时间
    created_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS download_log (
    id          BIGINT PRIMARY KEY,
    video_id    BIGINT NOT NULL,
    user_id     BIGINT NOT NULL,
    bytes       BIGINT NOT NULL,
    created_at  DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 5.8 计费
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS traffic_order (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    amount_gb       INT NOT NULL,                  -- 购买流量(GB)
    unit_price      DECIMAL(6,2),
    total_price     DECIMAL(10,2),
    pay_status      VARCHAR(16) DEFAULT 'unpaid',  -- unpaid/paid/cancelled
    created_at      DATETIME,
    paid_at         DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS traffic_usage_log (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    source_type     VARCHAR(16),                   -- live / replay / download
    source_id       BIGINT,
    bytes_used      BIGINT,
    balance_before  BIGINT,                        -- 扣减前余额(字节)
    balance_after   BIGINT,                        -- 扣减后余额(字节)
    created_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS sim_card (
    id              BIGINT PRIMARY KEY,
    user_id         BIGINT NOT NULL,
    dock_id         VARCHAR(64),
    carrier         VARCHAR(16),                   -- 移动/联通/电信
    phone           VARCHAR(16),
    iccid           VARCHAR(32),                   -- 权威字段（查询/充值的入参）
    plan_gb         INT,
    used_gb         DECIMAL(10,4) DEFAULT 0,
    expired_at      DATE,
    status          VARCHAR(16) DEFAULT 'active',  -- 平台业务态: active/expired
    carrier_status  VARCHAR(16) DEFAULT 'normal',  -- 运营商侧状态: normal/suspended/arrears/cancelled
    last_sync_at    DATETIME,
    created_at      DATETIME,
    updated_at      DATETIME
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS sim_recharge_log (
    id              BIGINT PRIMARY KEY,
    sim_card_id     BIGINT NOT NULL,
    user_id         BIGINT NOT NULL,
    amount_gb       INT NOT NULL,
    unit_price      DECIMAL(6,2),
    total_price     DECIMAL(10,2),
    pay_status      VARCHAR(16) DEFAULT 'paid',
    recharge_status VARCHAR(16) DEFAULT 'pending', -- pending/success/failed
    recharge_msg    VARCHAR(256) DEFAULT '',
    idempotent_key  VARCHAR(64) NOT NULL,          -- 平台充值单号，超时重试去重
    created_at      DATETIME,
    UNIQUE KEY uk_recharge_idem (idempotent_key)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS sim_usage_record (
    id              BIGINT PRIMARY KEY,
    sim_card_id     BIGINT NOT NULL,
    plan_gb         INT,
    used_gb         DECIMAL(10,4),
    remain_gb       DECIMAL(10,4),
    carrier_status  VARCHAR(16),
    synced_at       DATETIME,
    KEY idx_record_sim (sim_card_id, synced_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ---------------------------------------------------------------
-- 7.7 操作日志
-- ---------------------------------------------------------------
CREATE TABLE IF NOT EXISTS operation_log (
    id          BIGINT PRIMARY KEY,
    user_id     BIGINT NOT NULL,
    user_name   VARCHAR(32),
    module      VARCHAR(32),                      -- 模块（用户管理/机巢管理/任务管理...）
    action      VARCHAR(64),                      -- 动作（新增/修改/删除/下发指令...）
    detail      VARCHAR(256),                     -- 详情（请求路径）
    result      VARCHAR(16),                      -- success / failed
    ip          VARCHAR(64),
    created_at  DATETIME,
    KEY idx_op_user (user_id, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;