-- name: get-provider-by-type
SELECT id, created_at, updated_at, name, provider, type, config, is_default FROM ai_providers WHERE type = $1;

-- name: update-provider-config
UPDATE ai_providers SET config = $2, updated_at = now() WHERE type = $1;

-- name: get-prompt
SELECT id, created_at, updated_at, key, title, content FROM ai_prompts WHERE key = $1;

-- name: get-prompts
SELECT id, created_at, updated_at, key, title FROM ai_prompts ORDER BY title;

-- name: get-prompt-by-id
SELECT id, created_at, updated_at, key, title, content FROM ai_prompts WHERE id = $1;

-- name: insert-prompt
INSERT INTO ai_prompts (key, title, content) VALUES ($1, $2, $3)
RETURNING id, created_at, updated_at, key, title, content;

-- name: update-prompt
UPDATE ai_prompts SET title = $2, content = $3, updated_at = now() WHERE id = $1
RETURNING id, created_at, updated_at, key, title, content;

-- name: delete-prompt
DELETE FROM ai_prompts WHERE id = $1;

-- name: get-knowledge-base-items
SELECT id, created_at, updated_at, type, title, content, enabled, source, source_url, embedded_fingerprint FROM ai_knowledge_base ORDER BY updated_at DESC;

-- name: get-knowledge-base-item
SELECT id, created_at, updated_at, type, title, content, enabled, source, source_url, embedded_fingerprint FROM ai_knowledge_base WHERE id = $1;

-- name: knowledge-base-item-exists
SELECT EXISTS(SELECT 1 FROM ai_knowledge_base WHERE id = $1);

-- name: insert-knowledge-base-item
INSERT INTO ai_knowledge_base (type, title, content, enabled, source, source_url) VALUES ($1, $2, $3, $4, $5, $6) RETURNING *;

-- name: update-knowledge-base-item
UPDATE ai_knowledge_base SET title = $2, content = $3, enabled = $4, updated_at = now() WHERE id = $1 RETURNING *;

-- name: delete-knowledge-base-item
DELETE FROM ai_knowledge_base WHERE id = $1;

-- name: set-knowledge-base-embedded-fingerprint
UPDATE ai_knowledge_base SET embedded_fingerprint = $2 WHERE id = $1;

-- name: get-embeddable-help-articles
WITH RECURSIVE published_collections AS (
    SELECT c.id FROM article_collections c
    JOIN help_centers hc ON hc.id = c.help_center_id AND hc.is_active
    WHERE c.parent_id IS NULL AND c.is_published = true
    UNION
    SELECT c.id FROM article_collections c JOIN published_collections p ON c.parent_id = p.id
    WHERE c.is_published = true
)
SELECT a.id, a.title, a.content, a.status, a.ai_enabled, a.embedded_fingerprint,
    a.collection_id IN (SELECT id FROM published_collections) AS is_reachable
FROM help_articles a
WHERE (a.status = 'published' AND a.ai_enabled) OR a.embedded_fingerprint != '';

-- name: get-embeddable-help-article
WITH RECURSIVE published_collections AS (
    SELECT c.id FROM article_collections c
    JOIN help_centers hc ON hc.id = c.help_center_id AND hc.is_active
    WHERE c.parent_id IS NULL AND c.is_published = true
    UNION
    SELECT c.id FROM article_collections c JOIN published_collections p ON c.parent_id = p.id
    WHERE c.is_published = true
)
SELECT a.id, a.title, a.content, a.status, a.ai_enabled, a.embedded_fingerprint,
    a.collection_id IN (SELECT id FROM published_collections) AS is_reachable
FROM help_articles a
WHERE a.id = $1;

-- name: help-article-exists
SELECT EXISTS(SELECT 1 FROM help_articles WHERE id = $1);

-- name: set-help-article-embedded-fingerprint
UPDATE help_articles SET embedded_fingerprint = $2 WHERE id = $1;

-- name: delete-orphan-help-article-embeddings
DELETE FROM embeddings e
WHERE e.source_type = 'help_article' AND NOT EXISTS (SELECT 1 FROM help_articles a WHERE a.id = e.source_id)
RETURNING e.source_id;

-- name: insert-embedding
INSERT INTO embeddings (source_type, source_id, chunk_text, embedding, dimensions) VALUES ($1, $2, $3, $4, $5);

-- name: delete-embeddings-by-source
DELETE FROM embeddings WHERE source_type = $1 AND source_id = $2;

-- name: delete-embeddings-by-source-ids
DELETE FROM embeddings WHERE source_type = $1 AND source_id = ANY($2);

-- name: delete-embeddings-by-source-type
DELETE FROM embeddings WHERE source_type = $1;

-- name: get-tags
SELECT id, name FROM tags ORDER BY id;

-- name: get-all-embeddings
SELECT id, source_type, source_id, chunk_text, embedding, dimensions FROM embeddings;

-- name: get-tools
SELECT id, created_at, updated_at, name, description, url, method, auth, parameters, enabled, requires_verification, copilot_enabled, generate_reply_enabled, requires_agent_approval FROM ai_tools ORDER BY updated_at DESC;

-- name: get-enabled-tools-by-ids
SELECT id, created_at, updated_at, name, description, url, method, auth, parameters, enabled, requires_verification, copilot_enabled, generate_reply_enabled, requires_agent_approval FROM ai_tools WHERE enabled = true AND id = ANY($1);

-- name: get-enabled-copilot-tool-ids
SELECT id FROM ai_tools WHERE enabled = true AND copilot_enabled = true ORDER BY id;

-- name: get-enabled-generate-reply-tool-ids
SELECT id FROM ai_tools WHERE enabled = true AND generate_reply_enabled = true ORDER BY id;

-- name: get-tool
SELECT id, created_at, updated_at, name, description, url, method, auth, parameters, enabled, requires_verification, copilot_enabled, generate_reply_enabled, requires_agent_approval FROM ai_tools WHERE id = $1;

-- name: get-tool-auth
SELECT auth FROM ai_tools WHERE id = $1;

-- name: insert-tool
INSERT INTO ai_tools (name, description, url, method, auth, parameters, enabled, requires_verification, copilot_enabled, generate_reply_enabled, requires_agent_approval)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11) RETURNING *;

-- name: update-tool
UPDATE ai_tools SET name = $2, description = $3, url = $4, method = $5, auth = $6, parameters = $7, enabled = $8, requires_verification = $9, copilot_enabled = $10, generate_reply_enabled = $11, requires_agent_approval = $12, updated_at = now()
WHERE id = $1 RETURNING *;

-- name: delete-tool
DELETE FROM ai_tools WHERE id = $1;

-- name: get-copilot-messages
SELECT role, content FROM (
    SELECT id, role, content FROM copilot_messages WHERE conversation_id = $1 AND user_id = $2 ORDER BY id DESC LIMIT $3
) latest ORDER BY id;

-- name: insert-copilot-message
INSERT INTO copilot_messages (conversation_id, user_id, role, content) VALUES ($1, $2, $3, $4);

-- name: delete-copilot-messages
DELETE FROM copilot_messages WHERE conversation_id = $1 AND user_id = $2;