package dao

import (
	"context"
	"fmt"

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

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

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

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

	return ValidateResultRowsAffected(result, err, 1)
}

// GetProjectSkillBySkillID 根据SkillID查询项目Skill
func GetProjectSkillBySkillID(ctx context.Context, db *sqlx.DB, skillID string) (*tables.ProjectSkillDB, error) {
	var projectSkill tables.ProjectSkillDB

	query := `
		SELECT id, skill_id, project_id, description, content, creator, created_at
		FROM config_project_skill 
		WHERE skill_id = ?
	`

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

	return &projectSkill, nil
}

// ListProjectSkills 查询项目Skill列表
func ListProjectSkills(ctx context.Context, db *sqlx.DB) ([]tables.ProjectSkillDB, error) {
	var projectSkills []tables.ProjectSkillDB

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

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

	return projectSkills, nil
}

// UpdateProjectSkill 更新项目Skill信息
func UpdateProjectSkill(ctx context.Context, tx *sqlx.Tx, skillID, projectID, description, content string) (int64, error) {
	query := `
		UPDATE config_project_skill 
		SET project_id = ?, description = ?, content = ?
		WHERE skill_id = ?
	`

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

	return ValidateResultRowsAffected(result, err, 1)
}

// DeleteProjectSkill 删除项目Skill
func DeleteProjectSkill(ctx context.Context, tx *sqlx.Tx, skillID string) (int64, error) {
	query := `DELETE FROM config_project_skill WHERE skill_id = ?`

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

	return ValidateResultRowsAffected(result, err, 1)
}

// CheckProjectSkillExists 检查项目Skill是否存在
func CheckProjectSkillExists(ctx context.Context, db *sqlx.DB, skillID string) (bool, error) {
	var count int
	query := `SELECT COUNT(*) FROM config_project_skill WHERE skill_id = ?`

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

	return count > 0, nil
}

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

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

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