-- Copyright (c) 2026 Probo Inc <hello@probo.com>.
--
-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-- SOFTWARE.

-- OAuth2 Authorization Server tables

CREATE TYPE oauth2_client_visibility AS ENUM ('private', 'public');
CREATE TYPE oauth2_client_token_endpoint_auth_method AS ENUM ('client_secret_basic', 'client_secret_post', 'none');
CREATE TYPE oauth2_device_code_status AS ENUM ('pending', 'authorized', 'denied', 'expired');

CREATE TABLE iam_oauth2_clients (
    id TEXT PRIMARY KEY,
    tenant_id TEXT NOT NULL,
    organization_id TEXT NOT NULL,
    client_secret_hash BYTEA,
    client_name TEXT NOT NULL,
    visibility oauth2_client_visibility NOT NULL,
    redirect_uris TEXT[] NOT NULL,
    scopes TEXT[] NOT NULL,
    grant_types TEXT[] NOT NULL,
    response_types TEXT[] NOT NULL,
    token_endpoint_auth_method oauth2_client_token_endpoint_auth_method NOT NULL,
    logo_uri TEXT,
    client_uri TEXT,
    contacts TEXT[],
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL
);

CREATE TABLE iam_oauth2_authorization_codes (
    id TEXT PRIMARY KEY,
    client_id TEXT NOT NULL REFERENCES iam_oauth2_clients(id),
    identity_id TEXT NOT NULL,
    redirect_uri TEXT NOT NULL,
    scopes TEXT[] NOT NULL,
    code_challenge TEXT,
    code_challenge_method TEXT,
    nonce TEXT,
    auth_time TIMESTAMP WITH TIME ZONE NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL
);

CREATE TABLE iam_oauth2_access_tokens (
    id TEXT PRIMARY KEY,
    hashed_value BYTEA NOT NULL,
    client_id TEXT NOT NULL REFERENCES iam_oauth2_clients(id),
    identity_id TEXT NOT NULL,
    scopes TEXT[] NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
    CONSTRAINT iam_oauth2_access_tokens_hashed_value_unique UNIQUE (hashed_value)
);

CREATE TABLE iam_oauth2_refresh_tokens (
    id TEXT PRIMARY KEY,
    hashed_value BYTEA NOT NULL,
    client_id TEXT NOT NULL REFERENCES iam_oauth2_clients(id),
    identity_id TEXT NOT NULL,
    scopes TEXT[] NOT NULL,
    access_token_id TEXT NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
    revoked_at TIMESTAMP WITH TIME ZONE,
    CONSTRAINT iam_oauth2_refresh_tokens_hashed_value_unique UNIQUE (hashed_value)
);

CREATE TABLE iam_oauth2_device_codes (
    id TEXT PRIMARY KEY,
    device_code_hash BYTEA NOT NULL,
    user_code TEXT NOT NULL,
    client_id TEXT NOT NULL REFERENCES iam_oauth2_clients(id),
    scopes TEXT[] NOT NULL,
    identity_id TEXT,
    status oauth2_device_code_status NOT NULL,
    last_polled_at TIMESTAMP WITH TIME ZONE,
    poll_interval INT NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
    CONSTRAINT iam_oauth2_device_codes_device_code_hash_unique UNIQUE (device_code_hash),
    CONSTRAINT iam_oauth2_device_codes_user_code_unique UNIQUE (user_code)
);

CREATE TABLE iam_oauth2_consents (
    id TEXT PRIMARY KEY,
    identity_id TEXT NOT NULL,
    client_id TEXT NOT NULL REFERENCES iam_oauth2_clients(id),
    scopes TEXT[] NOT NULL,
    redirect_uri TEXT NOT NULL,
    code_challenge TEXT NOT NULL,
    code_challenge_method TEXT NOT NULL,
    nonce TEXT NOT NULL,
    state TEXT NOT NULL,
    approved BOOLEAN NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
    updated_at TIMESTAMP WITH TIME ZONE NOT NULL
);