CREATE EXTENSION IF NOT EXISTS pgcrypto;

CREATE TABLE IF NOT EXISTS desktop_publish_jobs (
    id BIGSERIAL PRIMARY KEY,
    desktop_id UUID NOT NULL DEFAULT gen_random_uuid(),
    tenant_id BIGINT NOT NULL REFERENCES tenants(id),
    workspace_id BIGINT NOT NULL REFERENCES workspaces(id),
    created_by_user_id BIGINT NOT NULL REFERENCES users(id),
    title TEXT NOT NULL,
    content_ref JSONB NOT NULL,
    scheduled_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    UNIQUE (desktop_id)
);

CREATE INDEX IF NOT EXISTS idx_desktop_publish_jobs_workspace_created
    ON desktop_publish_jobs (workspace_id, created_at DESC);

CREATE TABLE IF NOT EXISTS desktop_tasks (
    id BIGSERIAL PRIMARY KEY,
    desktop_id UUID NOT NULL DEFAULT gen_random_uuid(),
    job_id UUID NOT NULL,
    tenant_id BIGINT NOT NULL REFERENCES tenants(id),
    workspace_id BIGINT NOT NULL REFERENCES workspaces(id),
    target_account_id UUID NOT NULL REFERENCES platform_accounts(desktop_id),
    target_client_id UUID NOT NULL REFERENCES desktop_clients(id),
    platform_id VARCHAR(64) NOT NULL REFERENCES media_platforms(platform_id),
    kind TEXT NOT NULL,
    payload JSONB NOT NULL,
    status TEXT NOT NULL,
    dedup_key TEXT,
    active_attempt_id UUID,
    lease_token_hash BYTEA,
    lease_expires_at TIMESTAMPTZ,
    attempts INT NOT NULL DEFAULT 0,
    result JSONB,
    error JSONB,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    UNIQUE (desktop_id)
);

CREATE INDEX IF NOT EXISTS idx_desktop_tasks_job
    ON desktop_tasks (job_id);

CREATE INDEX IF NOT EXISTS idx_desktop_tasks_target_client_status
    ON desktop_tasks (target_client_id, status)
    WHERE status IN ('queued', 'in_progress');

CREATE INDEX IF NOT EXISTS idx_desktop_tasks_workspace_status_created
    ON desktop_tasks (workspace_id, status, created_at DESC);

CREATE INDEX IF NOT EXISTS idx_desktop_tasks_target_account
    ON desktop_tasks (target_account_id);

CREATE TABLE IF NOT EXISTS desktop_task_attempts (
    id BIGSERIAL PRIMARY KEY,
    desktop_id UUID NOT NULL DEFAULT gen_random_uuid(),
    task_id UUID NOT NULL REFERENCES desktop_tasks(desktop_id) ON DELETE CASCADE,
    client_id UUID NOT NULL REFERENCES desktop_clients(id),
    lease_token_hash BYTEA,
    started_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    ended_at TIMESTAMPTZ,
    final_status TEXT,
    error JSONB,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    UNIQUE (desktop_id)
);

CREATE INDEX IF NOT EXISTS idx_desktop_task_attempts_task_started
    ON desktop_task_attempts (task_id, started_at DESC);

CREATE TABLE IF NOT EXISTS desktop_task_traces (
    task_id UUID NOT NULL REFERENCES desktop_tasks(desktop_id) ON DELETE CASCADE,
    attempt_id UUID,
    size BIGINT,
    uploaded_at TIMESTAMPTZ,
    object_key TEXT,
    PRIMARY KEY (task_id, attempt_id)
);