-- Channel: Twitter/X (G10)
-- Twitter Account Activity API uses OAuth 2.0 with PKCE for user authentication.
-- Webhook CRC (Challenge-Response Check) for webhook validation.
-- Reference: Chatwoot app/models/channel/twitter_profile.rb
CREATE TABLE IF NOT EXISTS channel_twitters (
    id SERIAL PRIMARY KEY,
    account_id INTEGER NOT NULL,
    inbox_id INTEGER NOT NULL UNIQUE,
    twitter_user_id VARCHAR(255) NOT NULL,
    name VARCHAR(255),
    screen_name VARCHAR(255),
    profile_image_url VARCHAR(512),
    access_token VARCHAR(1024) NOT NULL,
    refresh_token VARCHAR(1024),
    twitter_access_token VARCHAR(512),
    twitter_access_token_secret VARCHAR(512),
    webhook_id VARCHAR(255),
    webhook_env VARCHAR(255),
    reauthorization_required BOOLEAN DEFAULT FALSE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    deleted_at TIMESTAMP WITH TIME ZONE
);

CREATE INDEX idx_channel_twitters_deleted_at ON channel_twitters(deleted_at);
CREATE INDEX idx_channel_twitters_account_id ON channel_twitters(account_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_twitters_inbox_id ON channel_twitters(inbox_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_twitters_twitter_user_id ON channel_twitters(twitter_user_id) WHERE deleted_at IS NULL;

-- Channel: Microsoft/Azure AD (G10)
-- Microsoft Graph API uses OAuth 2.0 with Azure AD for enterprise authentication.
-- Webhook subscriptions for real-time event processing.
-- This is a gochat addition — no Chatwoot reference exists.
CREATE TABLE IF NOT EXISTS channel_microsofts (
    id SERIAL PRIMARY KEY,
    account_id INTEGER NOT NULL,
    inbox_id INTEGER NOT NULL UNIQUE,
    tenant_id VARCHAR(255) NOT NULL,
    client_id VARCHAR(255) NOT NULL,
    access_token VARCHAR(2048) NOT NULL,
    refresh_token VARCHAR(2048),
    team_id VARCHAR(255),
    channel_id VARCHAR(255),
    display_name VARCHAR(255),
    subscription_id VARCHAR(255),
    reauthorization_required BOOLEAN DEFAULT FALSE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    deleted_at TIMESTAMP WITH TIME ZONE
);

CREATE INDEX idx_channel_microsofts_deleted_at ON channel_microsofts(deleted_at);
CREATE INDEX idx_channel_microsofts_account_id ON channel_microsofts(account_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_microsofts_inbox_id ON channel_microsofts(inbox_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_microsofts_tenant_id ON channel_microsofts(tenant_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_microsofts_client_id ON channel_microsofts(client_id) WHERE deleted_at IS NULL;

-- Channel: Google/Google Chat (G10)
-- Google Chat API uses OAuth 2.0 for authentication.
-- This is a gochat addition — no Chatwoot reference exists.
CREATE TABLE IF NOT EXISTS channel_googles (
    id SERIAL PRIMARY KEY,
    account_id INTEGER NOT NULL,
    inbox_id INTEGER NOT NULL UNIQUE,
    google_user_id VARCHAR(255) NOT NULL,
    access_token VARCHAR(2048) NOT NULL,
    refresh_token VARCHAR(2048),
    space_id VARCHAR(255),
    display_name VARCHAR(255),
    subscription_id VARCHAR(255),
    reauthorization_required BOOLEAN DEFAULT FALSE,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
    deleted_at TIMESTAMP WITH TIME ZONE
);

CREATE INDEX idx_channel_googles_deleted_at ON channel_googles(deleted_at);
CREATE INDEX idx_channel_googles_account_id ON channel_googles(account_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_googles_inbox_id ON channel_googles(inbox_id) WHERE deleted_at IS NULL;
CREATE INDEX idx_channel_googles_google_user_id ON channel_googles(google_user_id) WHERE deleted_at IS NULL;