-- automation plugin: agent definitions, automation definitions, cron jobs, run logs

-- Agent Definitions
CREATE TABLE IF NOT EXISTS automation_agent_definitions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    name VARCHAR(120) NOT NULL,
    description VARCHAR(500) NOT NULL DEFAULT '',
    llm_model VARCHAR(100) NOT NULL DEFAULT 'ollama/deepseek-v4-flash',
    system_prompt TEXT NOT NULL DEFAULT '',
    tool_ids JSONB NOT NULL DEFAULT '[]',
    heartbeat_interval_seconds INT NOT NULL DEFAULT 0,
    mode VARCHAR(20) NOT NULL DEFAULT 'reactive',  -- proactive, reactive
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    max_executions_per_hour INT NOT NULL DEFAULT 10,
    max_duration_seconds INT NOT NULL DEFAULT 300,
    budget_limit_usd FLOAT NOT NULL DEFAULT 1.0,
    created_by UUID REFERENCES users(id) ON DELETE SET NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(tenant_id, name)
);
CREATE INDEX IF NOT EXISTS ix_agent_def_tenant_active ON automation_agent_definitions (tenant_id, is_active);
CREATE INDEX IF NOT EXISTS ix_agent_def_tenant_mode ON automation_agent_definitions (tenant_id, mode);

-- Agent Versions
CREATE TABLE IF NOT EXISTS automation_agent_versions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    agent_id UUID NOT NULL REFERENCES automation_agent_definitions(id) ON DELETE CASCADE,
    version_number INT NOT NULL,
    snapshot JSONB NOT NULL,
    changed_by UUID REFERENCES users(id) ON DELETE SET NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(agent_id, version_number)
);
CREATE INDEX IF NOT EXISTS ix_agent_versions_agent ON automation_agent_versions (tenant_id, agent_id);

-- Automation Definitions
CREATE TABLE IF NOT EXISTS automation_definitions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    name VARCHAR(120) NOT NULL,
    description VARCHAR(500) NOT NULL DEFAULT '',
    trigger_type VARCHAR(20) NOT NULL DEFAULT 'manual',  -- event, schedule, manual
    trigger_config JSONB NOT NULL DEFAULT '{}',
    conditions JSONB NOT NULL DEFAULT '[]',
    actions JSONB NOT NULL DEFAULT '[]',
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    dry_run BOOLEAN NOT NULL DEFAULT FALSE,
    created_by UUID REFERENCES users(id) ON DELETE SET NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(tenant_id, name)
);
CREATE INDEX IF NOT EXISTS ix_automation_def_tenant_active ON automation_definitions (tenant_id, is_active);
CREATE INDEX IF NOT EXISTS ix_automation_def_tenant_trigger ON automation_definitions (tenant_id, trigger_type);

-- Automation Versions
CREATE TABLE IF NOT EXISTS automation_versions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    automation_id UUID NOT NULL REFERENCES automation_definitions(id) ON DELETE CASCADE,
    version_number INT NOT NULL,
    snapshot JSONB NOT NULL,
    changed_by UUID REFERENCES users(id) ON DELETE SET NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(automation_id, version_number)
);
CREATE INDEX IF NOT EXISTS ix_automation_versions_def ON automation_versions (tenant_id, automation_id);

-- Cron Jobs
CREATE TABLE IF NOT EXISTS automation_cron_jobs (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    name VARCHAR(120) NOT NULL,
    cron_expression VARCHAR(100) NOT NULL,
    job_type VARCHAR(50) NOT NULL DEFAULT 'automation_trigger',  -- agent_heartbeat, automation_trigger, custom
    target_id UUID,
    plugin_name VARCHAR(80) NOT NULL DEFAULT '',
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    last_run_at TIMESTAMPTZ,
    next_run_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ
);
CREATE INDEX IF NOT EXISTS ix_cron_jobs_tenant_active ON automation_cron_jobs (tenant_id, is_active);
CREATE INDEX IF NOT EXISTS ix_cron_jobs_next_run ON automation_cron_jobs (next_run_at);

-- Agent Runs (Execution Log)
CREATE TABLE IF NOT EXISTS automation_agent_runs (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    agent_id UUID NOT NULL REFERENCES automation_agent_definitions(id) ON DELETE CASCADE,
    status VARCHAR(20) NOT NULL DEFAULT 'pending',  -- pending, running, completed, failed, cancelled, timeout
    started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    completed_at TIMESTAMPTZ,
    duration_seconds FLOAT,
    result TEXT,
    error TEXT,
    cost_usd FLOAT,
    trigger_type VARCHAR(20) NOT NULL DEFAULT 'manual',
    trigger_data JSONB NOT NULL DEFAULT '{}',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ
);
CREATE INDEX IF NOT EXISTS ix_agent_runs_agent_status ON automation_agent_runs (tenant_id, agent_id, status);
CREATE INDEX IF NOT EXISTS ix_agent_runs_started ON automation_agent_runs (tenant_id, started_at DESC);

-- Automation Runs (Execution Log)
CREATE TABLE IF NOT EXISTS automation_runs (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    automation_id UUID NOT NULL REFERENCES automation_definitions(id) ON DELETE CASCADE,
    status VARCHAR(20) NOT NULL DEFAULT 'pending',  -- pending, running, completed, failed, cancelled, timeout
    started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    completed_at TIMESTAMPTZ,
    duration_seconds FLOAT,
    result TEXT,
    error TEXT,
    trigger_type VARCHAR(20) NOT NULL DEFAULT 'manual',
    trigger_data JSONB NOT NULL DEFAULT '{}',
    dry_run BOOLEAN NOT NULL DEFAULT FALSE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ
);
CREATE INDEX IF NOT EXISTS ix_automation_runs_def_status ON automation_runs (tenant_id, automation_id, status);
CREATE INDEX IF NOT EXISTS ix_automation_runs_started ON automation_runs (tenant_id, started_at DESC);