-- name: unsnooze-all
UPDATE conversations
SET snoozed_until = NULL, status_id = (SELECT id FROM conversation_statuses WHERE name = 'Open')
WHERE snoozed_until <= now();

-- name: insert-conversation
WITH 
status_id AS (
   SELECT id FROM conversation_statuses WHERE name = $3
),
reference_number AS (
   SELECT generate_reference_number($8) as reference_number
)
INSERT INTO conversations
(contact_id, contact_channel_id, status_id, inbox_id, last_message, last_message_at, subject, reference_number)
VALUES(
   $1, 
   $2, 
   (SELECT id FROM status_id), 
   $4, 
   $5, 
   $6, 
   $7, 
   (SELECT reference_number FROM reference_number)
)
RETURNING id, uuid;

-- name: get-conversations
SELECT
    COUNT(*) OVER() as total,
    conversations.id,
    conversations.created_at,
    conversations.updated_at,
    conversations.uuid,
    conversations.waiting_since,
    conversations.assignee_last_seen_at,
    users.created_at as "contact.created_at",
    users.updated_at as "contact.updated_at",
    users.first_name as "contact.first_name",
    users.last_name as "contact.last_name",
    users.avatar_url as "contact.avatar_url", 
    inboxes.channel as inbox_channel,
    inboxes.name as inbox_name,
    conversations.sla_policy_id,
    conversations.first_reply_at,
    conversations.resolved_at,
    conversations.subject,
    conversations.last_message,
    conversations.last_message_at,
    conversations.last_message_sender,
    conversations.next_sla_deadline_at,
    conversations.priority_id,
    (
    SELECT CASE WHEN COUNT(*) > 9 THEN 10 ELSE COUNT(*) END
    FROM (
        SELECT 1 FROM conversation_messages 
        WHERE conversation_id = conversations.id 
        AND created_at > conversations.assignee_last_seen_at
        LIMIT 10
    ) t
    ) as unread_message_count,
    conversation_statuses.name as status,
    conversation_priorities.name as priority
    FROM conversations
    JOIN users ON contact_id = users.id
    JOIN inboxes ON inbox_id = inboxes.id  
    LEFT JOIN conversation_statuses ON status_id = conversation_statuses.id
    LEFT JOIN conversation_priorities ON priority_id = conversation_priorities.id
WHERE 1=1 %s

-- name: get-conversation
WITH last_reply AS (
   SELECT 
       conversation_id,
       meta->'cc' as cc,
       meta->'bcc' as bcc
   FROM conversation_messages 
   WHERE private = false
   AND type IN ('outgoing', 'incoming')
   AND (
       ($1 > 0 AND conversation_id = $1)
       OR ($2 != '' AND conversation_id = (SELECT id FROM conversations WHERE uuid = $2::uuid))
   )
   ORDER BY created_at DESC 
   LIMIT 1
)
SELECT
   c.id,
   c.created_at,
   c.updated_at,
   c.closed_at,
   c.resolved_at,
   c.inbox_id,
   c.status_id,
   c.priority_id,
   p.name as priority,
   s.name as status,
   c.uuid,
   c.reference_number,
   c.first_reply_at,
   c.waiting_since,
   c.assigned_user_id,
   c.assigned_team_id,
   c.subject,
   c.contact_id,
   c.sla_policy_id,
   sla.name as sla_policy_name,
   c.last_message,
   (SELECT COALESCE(
       (SELECT json_agg(t.name)
       FROM tags t
       INNER JOIN conversation_tags ct ON ct.tag_id = t.id
       WHERE ct.conversation_id = c.id),
       '[]'::json
   )) AS tags,
   ct.created_at as "contact.created_at",
   ct.updated_at as "contact.updated_at",
   ct.first_name as "contact.first_name",
   ct.last_name as "contact.last_name", 
   ct.email as "contact.email",
   ct.avatar_url as "contact.avatar_url",
   ct.phone_number as "contact.phone_number",
   COALESCE(lr.cc, '[]'::jsonb) as cc,
   COALESCE(lr.bcc, '[]'::jsonb) as bcc
FROM conversations c
JOIN users ct ON c.contact_id = ct.id
LEFT JOIN sla_policies sla ON c.sla_policy_id = sla.id
LEFT JOIN teams at ON at.id = c.assigned_team_id
LEFT JOIN conversation_statuses s ON c.status_id = s.id
LEFT JOIN conversation_priorities p ON c.priority_id = p.id
LEFT JOIN last_reply lr ON lr.conversation_id = c.id
WHERE 
   ($1 > 0 AND c.id = $1)
   OR 
   ($2 != '' AND c.uuid = $2::uuid)


-- name: get-conversations-created-after
SELECT
    c.id,
    c.uuid
FROM conversations c
WHERE c.created_at > $1;

-- name: get-contact-conversations
SELECT
    c.uuid,
    u.first_name AS "contact.first_name",
    u.last_name AS "contact.last_name",
    u.avatar_url AS "contact.avatar_url",
    c.last_message,
    c.last_message_at
FROM users u
JOIN conversations c ON c.contact_id = u.id
WHERE c.contact_id = $1
ORDER BY c.created_at DESC
LIMIT 10;

-- name: get-conversation-uuid
SELECT uuid from conversations where id = $1;

-- name: update-conversation-assigned-user
UPDATE conversations
SET assigned_user_id = $2,
-- Reset assignee_last_seen_at when assigned to a new user.
assignee_last_seen_at = NULL,
updated_at = now()
WHERE uuid = $1;

-- name: update-conversation-assigned-team
UPDATE conversations
SET assigned_team_id = $2,
updated_at = now()
WHERE uuid = $1;

-- name: update-conversation-status
UPDATE conversations
SET status_id = (SELECT id FROM conversation_statuses WHERE name = $2),
    resolved_at = CASE WHEN $2 = 'Resolved' THEN NOW() ELSE resolved_at END,
    closed_at = CASE WHEN $2 = 'Closed' THEN NOW() ELSE closed_at END,
    snoozed_until = CASE WHEN $2 = 'Snoozed' THEN $3::timestamptz ELSE NULL END,
    updated_at = now()
WHERE uuid = $1;

-- name: get-user-active-conversations-count
SELECT COUNT(*) FROM conversations WHERE status_id IN (SELECT id FROM conversation_statuses WHERE name NOT IN ('Resolved', 'Closed')) and assigned_user_id = $1;

-- name: update-conversation-priority
UPDATE conversations 
SET priority_id = (SELECT id FROM conversation_priorities WHERE name = $2),
    updated_at = now()
WHERE uuid = $1;

-- name: update-conversation-assignee-last-seen
UPDATE conversations 
SET assignee_last_seen_at = now(),
    updated_at = now()
WHERE uuid = $1;

-- name: update-conversation-last-message
UPDATE conversations SET last_message = $3, last_message_sender = $4, last_message_at = $5, updated_at = NOW() WHERE CASE 
    WHEN $1 > 0 THEN id = $1
    ELSE uuid = $2
END

-- name: get-conversation-participants
SELECT users.id as id, first_name, last_name, avatar_url 
FROM conversation_participants
INNER JOIN users ON users.id = conversation_participants.user_id
WHERE conversation_id =
(
    SELECT id FROM conversations WHERE uuid = $1
);

-- name: insert-conversation-participant
INSERT INTO conversation_participants
(user_id, conversation_id)
VALUES($1, (SELECT id FROM conversations WHERE uuid = $2));

-- name: get-unassigned-conversations
SELECT
    c.created_at,
    c.updated_at,
    c.uuid,
    c.assigned_team_id,
    inb.channel as inbox_channel,
    inb.name as inbox_name
FROM conversations c
    JOIN inboxes inb ON c.inbox_id = inb.id 
WHERE assigned_user_id IS NULL AND assigned_team_id IS NOT NULL;

-- name: get-dashboard-counts
SELECT json_build_object(
    'open', COUNT(*),
    'awaiting_response', COUNT(CASE WHEN c.waiting_since IS NOT NULL THEN 1 END),
    'unassigned', COUNT(CASE WHEN c.assigned_user_id IS NULL THEN 1 END),
    'pending', COUNT(CASE WHEN c.first_reply_at IS NOT NULL THEN 1 END),
    'agents_online', (SELECT COUNT(*) FROM users WHERE availability_status = 'online' AND type = 'agent' AND deleted_at is null),
    'agents_away', (SELECT COUNT(*) FROM users WHERE availability_status in ('away', 'away_manual') AND type = 'agent' AND deleted_at is null),
    'agents_offline', (SELECT COUNT(*) FROM users WHERE availability_status = 'offline' AND type = 'agent' AND deleted_at is null)
)
FROM conversations c
INNER JOIN conversation_statuses s ON c.status_id = s.id
WHERE s.name not in ('Resolved', 'Closed') AND 1=1 %s;

-- name: get-dashboard-charts
WITH new_conversations AS (
    SELECT json_agg(row_to_json(agg)) AS data
    FROM (
        SELECT
            TO_CHAR(created_at::date, 'YYYY-MM-DD') AS date,
            COUNT(*) AS count
        FROM
            conversations c
        WHERE 1=1 %s
        GROUP BY
            date
        ORDER BY
            date
    ) agg
),
resolved_conversations AS (
    SELECT json_agg(row_to_json(agg)) AS data
    FROM (
        SELECT
            TO_CHAR(resolved_at::date, 'YYYY-MM-DD') AS date,
            COUNT(*) AS count
        FROM
            conversations c
        WHERE c.resolved_at IS NOT NULL AND 1=1 %s
        GROUP BY
            date
        ORDER BY
            date
    ) agg
),
status_summary AS (
    SELECT json_agg(row_to_json(agg)) AS data
    FROM (
        SELECT 
            s.name as status,
            COUNT(*) FILTER (WHERE p.name = 'Low') AS "Low",
            COUNT(*) FILTER (WHERE p.name = 'Medium') AS "Medium",
            COUNT(*) FILTER (WHERE p.name = 'High') AS "High"
        FROM 
            conversations c
        LEFT join conversation_statuses s on s.id = c.status_id
        LEFT join conversation_priorities p on p.id = c.priority_id
        WHERE 1=1 AND s.name > '' %s
        GROUP BY 
            s.name
    ) agg
),
messages_sent as (
    SELECT json_agg(row_to_json(agg)) AS data
    FROM (
        SELECT
            TO_CHAR(created_at::date, 'YYYY-MM-DD') AS date,
            COUNT(*) AS count
        FROM
            conversation_messages c
        WHERE status = 'sent' AND 1=1 %s
        GROUP BY
            date
        ORDER BY
            date
    ) agg
)
SELECT json_build_object(
    'new_conversations', (SELECT data FROM new_conversations),
    'resolved_conversations', (SELECT data FROM resolved_conversations),
    'messages_sent', (SELECT data FROM messages_sent),
    'status_summary', (SELECT data FROM status_summary)
) AS result;


-- name: update-conversation-first-reply-at
UPDATE conversations
SET first_reply_at = $2
WHERE first_reply_at IS NULL AND id = $1;

-- name: upsert-conversation-tags
WITH conversation_id AS (
    SELECT id FROM conversations WHERE uuid = $1
),
-- Insert new tags
inserted AS (
    INSERT INTO conversation_tags (conversation_id, tag_id)
    SELECT conversation_id.id, t.id
    FROM conversation_id, tags t
    WHERE t.name = ANY($2::text[])
    ON CONFLICT (conversation_id, tag_id) DO UPDATE SET tag_id = EXCLUDED.tag_id
)
-- Delete tags that are not in the new list
DELETE FROM conversation_tags
WHERE conversation_id = (SELECT id FROM conversation_id) 
AND tag_id NOT IN (
    SELECT id FROM tags WHERE name = ANY($2::text[])
);

-- name: get-conversation-tags
SELECT t.name
FROM conversation_tags ct
JOIN tags t ON ct.tag_id = t.id
WHERE ct.conversation_id = (SELECT id FROM conversations WHERE uuid = $1);

-- name: get-to-address
SELECT cc.identifier 
FROM conversations c 
INNER JOIN contact_channels cc ON cc.id = c.contact_channel_id 
WHERE c.id = $1;

-- name: get-conversation-uuid-from-message-uuid
SELECT c.uuid AS conversation_uuid
FROM conversation_messages m
JOIN conversations c ON m.conversation_id = c.id
WHERE m.uuid = $1;

-- name: unassign-open-conversations
UPDATE conversations
SET assigned_user_id = NULL,
    updated_at = now()
WHERE assigned_user_id = $1 AND status_id in (SELECT id FROM conversation_statuses WHERE name NOT IN ('Resolved', 'Closed'));

-- MESSAGE queries.
-- name: get-latest-received-message-source-id
SELECT source_id
FROM conversation_messages
WHERE conversation_id = $1 and status = 'received'
ORDER BY id DESC
LIMIT 1;

-- name: get-pending-messages
SELECT
    m.created_at,
    m.id,
    m.uuid,
    m.sender_id,
    m.type,
    m.status,
    m.content,
    m.conversation_id,
    m.content_type,
    m.source_id,
    ARRAY(SELECT jsonb_array_elements_text(m.meta->'cc')) AS cc,
    ARRAY(SELECT jsonb_array_elements_text(m.meta->'bcc')) AS bcc,
    c.inbox_id,
    c.uuid as conversation_uuid,
    c.subject
FROM conversation_messages m
INNER JOIN conversations c ON c.id = m.conversation_id
WHERE m.status = 'pending'
AND NOT(m.id = ANY($1::INT[]))

-- name: get-message
SELECT
    m.created_at,
    m.updated_at,
    m.status,
    m.type,
    m.content,
    m.uuid,
    m.private,
    m.sender_type,
    m.sender_id,
    m.meta,
    COALESCE(
        json_agg(
            json_build_object(
                'name', media.filename,
                'content_type', media.content_type,
                'uuid', media.uuid,
                'size', media.size,
                'content_id', media.content_id,
                'disposition', media.disposition
            ) ORDER BY media.filename
        ) FILTER (WHERE media.id IS NOT NULL),
        '[]'::json
    ) AS attachments
FROM conversation_messages m
LEFT JOIN media ON media.model_type = 'messages' AND media.model_id = m.id
WHERE m.uuid = $1
GROUP BY 
    m.id, m.created_at, m.updated_at, m.status, m.type, m.content, m.uuid, m.private, m.sender_type
ORDER BY m.created_at;

-- name: get-messages
SELECT
   COUNT(*) OVER() AS total,
   m.created_at,
   m.updated_at,
   m.status,
   m.type, 
   m.content,
   m.uuid,
   m.private,
   m.sender_id,
   m.sender_type,
   m.meta,
   COALESCE(
     (SELECT json_agg(
       json_build_object(
         'name', filename,
         'content_type', content_type, 
         'uuid', uuid,
         'size', size,
         'content_id', content_id,
         'disposition', disposition
       ) ORDER BY filename
     ) FROM media 
     WHERE model_type = 'messages' AND model_id = m.id),
   '[]'::json) AS attachments
FROM conversation_messages m
WHERE m.conversation_id = (
   SELECT id FROM conversations WHERE uuid = $1 LIMIT 1
)
ORDER BY m.created_at DESC %s

-- name: insert-message
WITH conversation_id AS (
   SELECT id 
   FROM conversations 
   WHERE CASE 
       WHEN $3 > 0 THEN id = $3 
       ELSE uuid = $4 
   END
),
inserted_msg AS (
   INSERT INTO conversation_messages (
       "type", status, conversation_id, "content", 
       text_content, sender_id, sender_type, private,
       content_type, source_id, meta
   )
   VALUES (
       $1, $2, (SELECT id FROM conversation_id),
       $5, $6, $7, $8, $9, $10, $11, $12
   )
   RETURNING id, uuid, created_at, conversation_id
),
updated_conversation AS (
   UPDATE conversations 
   SET waiting_since = CASE
       WHEN $8 = 'contact' THEN NOW()
       WHEN $8 = 'agent' THEN NULL
       ELSE waiting_since
   END
   WHERE id = (SELECT id FROM conversation_id)
)
SELECT id, uuid, created_at FROM inserted_msg;

-- name: message-exists-by-source-id
SELECT conversation_id
FROM conversation_messages
WHERE source_id = ANY($1::text []);

-- name: get-conversation-by-message-id
SELECT
    c.id,
    c.uuid,
    c.assigned_team_id,
    c.assigned_user_id
FROM conversation_messages m
JOIN conversations c ON m.conversation_id = c.id
WHERE m.id = $1;

-- name: update-message-status
update conversation_messages set status = $1, updated_at = now() where uuid = $2;

-- name: remove-conversation-assignee
UPDATE conversations
SET 
    assigned_user_id = CASE WHEN $2 = 'user' THEN NULL ELSE assigned_user_id END,
    assigned_team_id = CASE WHEN $2 = 'team' THEN NULL ELSE assigned_team_id END,
    updated_at = now()
WHERE uuid = $1;

-- name: re-open-conversation
UPDATE conversations
SET status_id = (SELECT id FROM conversation_statuses WHERE name = 'Open'), snoozed_until = NULL,
    updated_at = now()
WHERE uuid = $1 and status_id in (
    SELECT id FROM conversation_statuses WHERE name IN ('Snoozed', 'Closed', 'Resolved')
)