<?php

namespace MintyPHP\Repository\User;

use MintyPHP\DB;
use MintyPHP\Repository\Support\RepoQuery;

/** Creates and mutates user records including activation, tenant links, and preferences. */
class UserWriteRepository implements UserWriteRepositoryInterface
{
    public function updateLastLogin(int $userId, string $provider = 'local'): void
    {
        if ($userId <= 0) {
            return;
        }
        $provider = trim(strtolower($provider));
        if (!in_array($provider, ['local', 'microsoft'], true)) {
            $provider = 'local';
        }
        DB::query('update users set last_login_at = UTC_TIMESTAMP(), last_login_provider = ? where id = ?', $provider, (string) $userId);
    }

    public function bumpAuthzVersion(int $userId): bool
    {
        if ($userId <= 0) {
            return false;
        }

        $result = DB::update(
            'update users set authz_version = authz_version + 1 where id = ?',
            (string) $userId
        );

        return $result !== false;
    }

    public function bumpAuthzVersionByUserIds(array $userIds): int
    {
        $userIds = toIntIds($userIds);
        if (!$userIds) {
            return 0;
        }

        $placeholders = implode(',', array_fill(0, count($userIds), '?'));
        $result = DB::update(
            "update users set authz_version = authz_version + 1 where id in ($placeholders)",
            ...array_map('strval', $userIds)
        );

        return $result !== false ? (int) $result : 0;
    }

    public function create(array $data): int|false
    {
        $hash = password_hash($data['password'], PASSWORD_DEFAULT);
        return DB::insert(
            'insert into users (uuid, first_name, last_name, display_name, email, profile_description, job_title, phone, mobile, short_dial, address, postal_code, city, country, region, hire_date, password, locale, totp_secret, theme, primary_tenant_id, current_tenant_id, created_by, created, active, active_changed_at, active_changed_by) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,NOW(),?,?,?)',
            $data['uuid'] ?? RepoQuery::uuidV4(),
            $data['first_name'],
            $data['last_name'],
            $this->buildDisplayName($data),
            $data['email'],
            $data['profile_description'] ?? null,
            $data['job_title'] ?? null,
            $data['phone'] ?? null,
            $data['mobile'] ?? null,
            $data['short_dial'] ?? null,
            $data['address'] ?? null,
            $data['postal_code'] ?? null,
            $data['city'] ?? null,
            $data['country'] ?? null,
            $data['region'] ?? null,
            $data['hire_date'] ?? null,
            $hash,
            $data['locale'] ?? null,
            $data['totp_secret'],
            $data['theme'] ?? 'light',
            $data['primary_tenant_id'] ?? null,
            $data['current_tenant_id'] ?? $data['primary_tenant_id'] ?? null,
            $data['created_by'] ?? null,
            $data['active'],
            $data['active_changed_at'] ?? null,
            $data['active_changed_by'] ?? null
        );
    }

    public function update(int $id, array $data): bool
    {
        $fields = [
            'first_name' => $data['first_name'],
            'last_name' => $data['last_name'],
            'display_name' => $this->buildDisplayName($data),
            'email' => $data['email'],
            'profile_description' => $data['profile_description'] ?? null,
            'job_title' => $data['job_title'] ?? null,
            'phone' => $data['phone'] ?? null,
            'mobile' => $data['mobile'] ?? null,
            'short_dial' => $data['short_dial'] ?? null,
            'address' => $data['address'] ?? null,
            'postal_code' => $data['postal_code'] ?? null,
            'city' => $data['city'] ?? null,
            'country' => $data['country'] ?? null,
            'region' => $data['region'] ?? null,
            'hire_date' => $data['hire_date'] ?? null,
            'totp_secret' => $data['totp_secret'],
            'active' => $data['active'],
        ];
        if (array_key_exists('locale', $data)) {
            $fields['locale'] = $data['locale'];
        }
        if (array_key_exists('theme', $data)) {
            $fields['theme'] = $data['theme'];
        }
        if (array_key_exists('primary_tenant_id', $data)) {
            $fields['primary_tenant_id'] = $data['primary_tenant_id'];
        }
        if (array_key_exists('current_tenant_id', $data)) {
            $fields['current_tenant_id'] = $data['current_tenant_id'];
        }
        if (array_key_exists('modified_by', $data)) {
            $fields['modified_by'] = $data['modified_by'];
        }
        if (array_key_exists('active_changed_at', $data)) {
            $fields['active_changed_at'] = $data['active_changed_at'];
        }
        if (array_key_exists('active_changed_by', $data)) {
            $fields['active_changed_by'] = $data['active_changed_by'];
        }

        if (!empty($data['password'])) {
            $fields['password'] = password_hash($data['password'], PASSWORD_DEFAULT);
        }

        $setParts = [];
        $params = [];
        foreach ($fields as $field => $value) {
            $setParts[] = sprintf('`%s` = ?', $field);
            $params[] = $value;
        }
        $params[] = (string) $id;

        $query = 'update users set ' . implode(', ', $setParts) . ' where id = ?';
        $result = DB::update($query, ...$params);
        return $result !== false;
    }

    public function setActive(int $id, bool $active, ?int $changedBy = null): bool
    {
        $result = DB::update(
            'update users set active = ?, active_changed_at = NOW(), active_changed_by = ? where id = ?',
            $active ? 1 : 0,
            $changedBy,
            (string) $id
        );
        return $result !== false;
    }

    public function setCurrentTenant(int $id, int $tenantId): bool
    {
        $result = DB::update(
            'update users set current_tenant_id = ? where id = ?',
            (string) $tenantId,
            (string) $id
        );
        return $result !== false;
    }

    public function setActiveByUuids(array $uuids, bool $active, ?int $modifiedBy = null): bool
    {
        $uuids = array_values(array_filter(array_map('trim', $uuids)));
        if (!$uuids) {
            return false;
        }
        $placeholders = implode(',', array_fill(0, count($uuids), '?'));
        $query = "update users set active = ?, modified_by = ?, active_changed_at = NOW(), active_changed_by = ? where uuid in ($placeholders)";
        $params = array_merge([$active ? 1 : 0, $modifiedBy, $modifiedBy], $uuids);
        $result = DB::update($query, ...$params);
        return $result !== false;
    }

    public function setInactiveByIds(array $userIds, ?int $changedBy = null): int
    {
        $ids = array_values(array_unique(array_filter(array_map('intval', $userIds), static fn ($id) => $id > 0)));
        if (!$ids) {
            return 0;
        }

        $placeholders = implode(',', array_fill(0, count($ids), '?'));
        $query = "update users set active = 0, modified_by = ?, active_changed_at = UTC_TIMESTAMP(), active_changed_by = ? where active = 1 and id in ($placeholders)";
        $params = array_merge([$changedBy, $changedBy], array_map('strval', $ids));
        $result = DB::update($query, ...$params);
        return $result !== false ? (int) $result : 0;
    }

    public function deleteByIds(array $userIds): int
    {
        $ids = array_values(array_unique(array_filter(array_map('intval', $userIds), static fn ($id) => $id > 0)));
        if (!$ids) {
            return 0;
        }
        $placeholders = implode(',', array_fill(0, count($ids), '?'));
        $result = DB::delete(
            "delete from users where id in ($placeholders)",
            ...array_map('strval', $ids)
        );
        return $result !== false ? (int) $result : 0;
    }

    public function setLocale(int $id, string $locale): bool
    {
        $result = DB::update('update users set locale = ? where id = ?', $locale, (string) $id);
        return $result !== false;
    }

    public function setTheme(int $id, string $theme): bool
    {
        $result = DB::update('update users set theme = ? where id = ?', $theme, (string) $id);
        return $result !== false;
    }

    public function updateProfileFieldsFromSso(int $id, array $fields): bool
    {
        if ($id <= 0) {
            return false;
        }

        $row = DB::selectOne('select first_name, last_name, email, phone, mobile, job_title, display_name from users where id = ? limit 1', (string) $id);
        $existing = $row['users'] ?? null;
        if (!is_array($existing)) {
            return false;
        }

        $allowed = ['first_name', 'last_name', 'display_name', 'job_title', 'phone', 'mobile'];
        $updates = [];
        foreach ($allowed as $field) {
            if (!array_key_exists($field, $fields)) {
                continue;
            }
            $value = trim((string) $fields[$field]);
            if ($value === '') {
                continue;
            }
            if ((string) ($existing[$field] ?? '') === $value) {
                continue;
            }
            $updates[$field] = $value;
        }

        if (!$updates) {
            return true;
        }

        if (!isset($updates['display_name']) && (isset($updates['first_name']) || isset($updates['last_name']))) {
            $displayData = [
                'first_name' => $updates['first_name'] ?? (string) ($existing['first_name'] ?? ''),
                'last_name' => $updates['last_name'] ?? (string) ($existing['last_name'] ?? ''),
                'email' => (string) ($existing['email'] ?? ''),
            ];
            $updates['display_name'] = $this->buildDisplayName($displayData);
        }

        $setParts = [];
        $params = [];
        foreach ($updates as $field => $value) {
            $setParts[] = sprintf('`%s` = ?', $field);
            $params[] = $value;
        }
        $params[] = (string) $id;

        $result = DB::update(
            'update users set ' . implode(', ', $setParts) . ' where id = ?',
            ...$params
        );

        return $result !== false;
    }

    public function setPassword(int $id, string $password): bool
    {
        $hash = password_hash($password, PASSWORD_DEFAULT);
        $result = DB::update('update users set password = ?, modified_by = NULL where id = ?', $hash, (string) $id);
        return $result !== false;
    }

    public function setEmailVerified(int $id): bool
    {
        $result = DB::update('update users set email_verified_at = NOW() where id = ?', (string) $id);
        return $result !== false;
    }

    public function delete(int $id): bool
    {
        $result = DB::delete('delete from users where id = ?', (string) $id);
        return $result !== false;
    }

    public function deleteByUuids(array $uuids): bool
    {
        $uuids = array_values(array_filter(array_map('trim', $uuids)));
        if (!$uuids) {
            return false;
        }
        $placeholders = implode(',', array_fill(0, count($uuids), '?'));
        $query = "delete from users where uuid in ($placeholders)";
        $result = DB::delete($query, ...$uuids);
        return $result !== false;
    }

    private function buildDisplayName(array $data): string
    {
        $first = trim((string) ($data['first_name'] ?? ''));
        $last = trim((string) ($data['last_name'] ?? ''));
        $name = trim($first . ' ' . $last);
        if ($name === '') {
            $name = trim((string) ($data['email'] ?? ''));
        }
        return $name;
    }
}