package dao

import (
	"context"
	"fmt"

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

// CreateProjectAgent 创建项目Agent
func CreateProjectAgent(ctx context.Context, tx *sqlx.Tx, agentID, projectID, description, content, creator string) (int64, error) {
	id := fmt.Sprintf("project_agent.%s", agentID)

	query := `
		INSERT INTO config_project_agent 
		(id, agent_id, project_id, description, content, creator, created_at)
		VALUES (?, ?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
	`

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

	return ValidateResultRowsAffected(result, err, 1)
}

// GetProjectAgentByAgentID 根据AgentID查询项目Agent
func GetProjectAgentByAgentID(ctx context.Context, db *sqlx.DB, agentID string) (*tables.ProjectAgentDB, error) {
	var projectAgent tables.ProjectAgentDB

	query := `
		SELECT id, agent_id, project_id, description, content, creator, created_at
		FROM config_project_agent 
		WHERE agent_id = ?
	`

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

	return &projectAgent, nil
}

// ListProjectAgents 查询项目Agent列表
func ListProjectAgents(ctx context.Context, db *sqlx.DB) ([]tables.ProjectAgentDB, error) {
	var projectAgents []tables.ProjectAgentDB

	query := `
		SELECT id, agent_id, project_id, description, content, creator, created_at
		FROM config_project_agent 
		ORDER BY created_at DESC
	`

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

	return projectAgents, nil
}

// UpdateProjectAgent 更新项目Agent信息
func UpdateProjectAgent(ctx context.Context, tx *sqlx.Tx, agentID, projectID, description, content string) (int64, error) {
	query := `
		UPDATE config_project_agent 
		SET project_id = ?, description = ?, content = ?
		WHERE agent_id = ?
	`

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

	return ValidateResultRowsAffected(result, err, 1)
}

// DeleteProjectAgent 删除项目Agent
func DeleteProjectAgent(ctx context.Context, tx *sqlx.Tx, agentID string) (int64, error) {
	query := `DELETE FROM config_project_agent WHERE agent_id = ?`

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

	return ValidateResultRowsAffected(result, err, 1)
}

// CheckProjectAgentExists 检查项目Agent是否存在
func CheckProjectAgentExists(ctx context.Context, db *sqlx.DB, agentID string) (bool, error) {
	var count int
	query := `SELECT COUNT(*) FROM config_project_agent WHERE agent_id = ?`

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

	return count > 0, nil
}

// DeleteProjectAgentsByProjectID 根据项目ID删除所有关联的Agent
func DeleteProjectAgentsByProjectID(ctx context.Context, tx *sqlx.Tx, projectID string) (int64, error) {
	query := `DELETE FROM config_project_agent WHERE project_id = ?`

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

	rowsAffected, _ := result.RowsAffected()
	return rowsAffected, nil
}