-- kommunikation plugin initial migration: creates all 10 tables

CREATE TABLE IF NOT EXISTS comm_conversations (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    title VARCHAR(255),
    title_set_by UUID,
    is_pinned BOOLEAN NOT NULL DEFAULT FALSE,
    is_locked BOOLEAN NOT NULL DEFAULT FALSE,
    locked_by VARCHAR(100),
    is_direct BOOLEAN NOT NULL DEFAULT FALSE,
    is_archived BOOLEAN NOT NULL DEFAULT FALSE,
    created_by UUID,
    created_by_type VARCHAR(20) NOT NULL DEFAULT 'user',
    last_msg_at TIMESTAMPTZ,
    last_msg_preview TEXT,
    last_msg_sender_type VARCHAR(50),
    metadata 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_comm_conversations_tenant ON comm_conversations(tenant_id);
CREATE INDEX IF NOT EXISTS ix_comm_conversations_tenant_pinned ON comm_conversations(tenant_id, is_pinned);
CREATE INDEX IF NOT EXISTS ix_comm_conversations_last_msg ON comm_conversations(tenant_id, last_msg_at DESC);

CREATE TABLE IF NOT EXISTS comm_participants (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    conversation_id UUID NOT NULL REFERENCES comm_conversations(id) ON DELETE CASCADE,
    participant_id UUID,
    participant_type VARCHAR(50) NOT NULL,
    display_name VARCHAR(255),
    role VARCHAR(20) NOT NULL DEFAULT 'member',
    joined_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    left_at TIMESTAMPTZ,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(conversation_id, participant_id, participant_type)
);
CREATE INDEX IF NOT EXISTS ix_comm_participants_tenant_conv ON comm_participants(tenant_id, conversation_id);
CREATE INDEX IF NOT EXISTS ix_comm_participants_tenant_user ON comm_participants(tenant_id, participant_id);

CREATE TABLE IF NOT EXISTS comm_messages (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    conversation_id UUID NOT NULL REFERENCES comm_conversations(id) ON DELETE CASCADE,
    sender_id UUID,
    sender_type VARCHAR(50) NOT NULL,
    content TEXT NOT NULL DEFAULT '',
    content_format VARCHAR(20) NOT NULL DEFAULT 'text',
    metadata JSONB NOT NULL DEFAULT '{}',
    reply_to_id UUID REFERENCES comm_messages(id) ON DELETE SET NULL,
    is_pinned BOOLEAN NOT NULL DEFAULT FALSE,
    read_at TIMESTAMPTZ,
    edited_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_comm_messages_tenant_conv ON comm_messages(tenant_id, conversation_id, created_at);
CREATE INDEX IF NOT EXISTS ix_comm_messages_tenant_sender ON comm_messages(tenant_id, sender_id);

CREATE TABLE IF NOT EXISTS comm_message_blocks (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    message_id UUID NOT NULL REFERENCES comm_messages(id) ON DELETE CASCADE,
    block_type VARCHAR(50) NOT NULL,
    block_data JSONB NOT NULL,
    sort_order INTEGER NOT NULL DEFAULT 0,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ
);
CREATE INDEX IF NOT EXISTS ix_comm_blocks_tenant_msg ON comm_message_blocks(tenant_id, message_id);

CREATE TABLE IF NOT EXISTS comm_message_attachments (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    message_id UUID NOT NULL REFERENCES comm_messages(id) ON DELETE CASCADE,
    file_id UUID,
    file_source VARCHAR(10) NOT NULL DEFAULT 'comm',
    file_name VARCHAR(255) NOT NULL,
    file_type VARCHAR(255) NOT NULL,
    file_size INTEGER,
    thumbnail_path VARCHAR(1024),
    metadata 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_comm_attachments_tenant_msg ON comm_message_attachments(tenant_id, message_id);

CREATE TABLE IF NOT EXISTS comm_message_reactions (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    message_id UUID NOT NULL REFERENCES comm_messages(id) ON DELETE CASCADE,
    user_id UUID NOT NULL,
    emoji VARCHAR(50) NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(message_id, user_id, emoji)
);
CREATE INDEX IF NOT EXISTS ix_comm_reactions_tenant_msg ON comm_message_reactions(tenant_id, message_id);

CREATE TABLE IF NOT EXISTS comm_message_reads (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    conversation_id UUID NOT NULL REFERENCES comm_conversations(id) ON DELETE CASCADE,
    user_id UUID NOT NULL,
    last_read_msg_id UUID REFERENCES comm_messages(id) ON DELETE SET NULL,
    last_read_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(conversation_id, user_id)
);
CREATE INDEX IF NOT EXISTS ix_comm_reads_tenant_user ON comm_message_reads(tenant_id, user_id);

CREATE TABLE IF NOT EXISTS comm_conversation_pins (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    conversation_id UUID NOT NULL REFERENCES comm_conversations(id) ON DELETE CASCADE,
    user_id UUID NOT NULL,
    pinned_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(conversation_id, user_id)
);
CREATE INDEX IF NOT EXISTS ix_comm_pins_tenant_user ON comm_conversation_pins(tenant_id, user_id);

CREATE TABLE IF NOT EXISTS comm_conversation_mutes (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    conversation_id UUID NOT NULL REFERENCES comm_conversations(id) ON DELETE CASCADE,
    user_id UUID NOT NULL,
    muted_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ,
    UNIQUE(conversation_id, user_id)
);
CREATE INDEX IF NOT EXISTS ix_comm_mutes_tenant_user ON comm_conversation_mutes(tenant_id, user_id);

CREATE TABLE IF NOT EXISTS comm_message_edits (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    tenant_id UUID NOT NULL,
    message_id UUID NOT NULL REFERENCES comm_messages(id) ON DELETE CASCADE,
    old_content TEXT NOT NULL,
    old_blocks JSONB NOT NULL DEFAULT '[]',
    edited_by UUID NOT NULL,
    edited_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ
);
CREATE INDEX IF NOT EXISTS ix_comm_edits_tenant_msg ON comm_message_edits(tenant_id, message_id);