package dao

import (
	"context"
	"fmt"

	"git.x2erp.com/qdy/go-svc-configure/internal/tables"
	"github.com/jmoiron/sqlx"
)

// CreateProject 创建项目
func CreateProject(ctx context.Context, tx *sqlx.Tx, projectID, description, mcpURL, creator string) (int64, error) {
	id := fmt.Sprintf("project.%s", projectID)

	query := `
		INSERT INTO config_project 
		(id, project_id, description, mcp_url, creator, created_at)
		VALUES (?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
	`

	result, err := tx.ExecContext(ctx, query, id, projectID, description, mcpURL, creator)
	if err != nil {
		return -1, fmt.Errorf("创建项目失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// GetProjectByProjectID 根据项目ID查询项目
func GetProjectByProjectID(ctx context.Context, db *sqlx.DB, projectID string) (*tables.ProjectDB, error) {
	var project tables.ProjectDB

	query := `
		SELECT id, project_id, description, mcp_url, creator, created_at
		FROM config_project 
		WHERE project_id = ?
	`

	err := db.GetContext(ctx, &project, query, projectID)
	if err != nil {
		return nil, fmt.Errorf("查询项目失败: %v", err)
	}

	return &project, nil
}

// ListProjects 查询项目列表
func ListProjects(ctx context.Context, db *sqlx.DB) ([]tables.ProjectDB, error) {
	var projects []tables.ProjectDB

	query := `
		SELECT id, project_id, description, mcp_url, creator, created_at
		FROM config_project 
		ORDER BY created_at DESC
	`

	err := db.SelectContext(ctx, &projects, query)
	if err != nil {
		return nil, fmt.Errorf("查询项目列表失败: %v", err)
	}

	return projects, nil
}

// UpdateProject 更新项目信息
func UpdateProject(ctx context.Context, tx *sqlx.Tx, projectID, description, mcpURL string) (int64, error) {
	query := `
		UPDATE config_project 
		SET description = ?, mcp_url = ?
		WHERE project_id = ?
	`

	result, err := tx.ExecContext(ctx, query, description, mcpURL, projectID)
	if err != nil {
		return -1, fmt.Errorf("更新项目失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// DeleteProject 删除项目
func DeleteProject(ctx context.Context, tx *sqlx.Tx, projectID string) (int64, error) {
	query := `DELETE FROM config_project WHERE project_id = ?`

	result, err := tx.ExecContext(ctx, query, projectID)
	if err != nil {
		return -1, fmt.Errorf("删除项目失败: %v", err)
	}

	return ValidateResultRowsAffected(result, err, 1)
}

// CheckProjectExists 检查项目是否存在
func CheckProjectExists(ctx context.Context, db *sqlx.DB, projectID string) (bool, error) {
	var count int
	query := `SELECT COUNT(*) FROM config_project WHERE project_id = ?`

	err := db.GetContext(ctx, &count, query, projectID)
	if err != nil {
		return false, fmt.Errorf("检查项目存在性失败: %v", err)
	}

	return count > 0, nil
}