using OASystem.Domain.ViewModels.QiYeWeChat;
using System.Collections.Generic;
using System.Linq;
using System.Text.Json.Serialization;

namespace OASystem.Domain.ViewModels.QiYeWeChat
{
    /// <summary>
    /// 批量获取汇报记录单号 View
    /// </summary>
    public class JournalRecordListView : ResponseBase
    {
        /// <summary>
        /// 汇报记录id列表
        /// </summary>
        public List<string> journaluuid_list { get; set; }

        /// <summary>
        /// 下一次拉取游标
        /// </summary>
        public int next_cursor { get; set; }

        /// <summary>
        /// 0代表还有数据，1代表已无数据
        /// </summary>
        public int endflag { get; set; }
    }

    /// <summary>
    /// 汇报详情 View
    /// </summary>
    public class JournalDetailView : ResponseBase
    {
        /// <summary>
        /// 汇报详情信息
        /// </summary>
        public JournalRecordDetail info { get; set; }
    }

    /// <summary>
    /// 汇报记录详情
    /// </summary>
    public class JournalRecordDetail
    {
        /// <summary>
        /// 汇报记录单号
        /// </summary>
        public string journal_uuid { get; set; }

        /// <summary>
        /// 汇报模板名称
        /// </summary>
        public string template_name { get; set; }

        /// <summary>
        /// 汇报模板ID
        /// </summary>
        public string template_id { get; set; }

        /// <summary>
        /// 汇报提交时间，Unix时间戳
        /// </summary>
        public long report_time { get; set; }

        /// <summary>
        /// 汇报提交者（API 返回字段名为 submitter）
        /// </summary>
        [JsonPropertyName("submitter")]
        public JournalCreator creator { get; set; }

        /// <summary>
        /// 汇报接收人列表
        /// </summary>
        public List<JournalReceiver> receivers { get; set; }

        /// <summary>
        /// 已读汇报接收人列表
        /// </summary>
        public List<JournalReceiver> readed_receivers { get; set; }

        /// <summary>
        /// 汇报内容
        /// </summary>
        public JournalApplyData apply_data { get; set; }

        /// <summary>
        /// 汇报评论列表
        /// </summary>
        public List<JournalComment> comments { get; set; }
    }

    public class JournalCreator
    {
        public string userid { get; set; }
        public string name { get; set; }
    }

    public class JournalReceiver
    {
        public string userid { get; set; }
        public string name { get; set; }
    }

    public class JournalApplyData
    {
        public List<JournalContentItem> contents { get; set; }
    }

    public class JournalContentItem
    {
        /// <summary>
        /// 控件类型：Text, Textarea, Number, Money, Date, Selector, ...
        /// </summary>
        public string control { get; set; }

        public string id { get; set; }

        public List<TitleItem> title { get; set; }

        public JournalValue value { get; set; }
    }

    public class JournalValue
    {
        public string text { get; set; }
        public string new_number { get; set; }
        public string new_money { get; set; }
        public JournalDate date { get; set; }
        public JournalSelector selector { get; set; }
        public List<object> tips { get; set; }
        public List<JournalMember> members { get; set; }
        public List<JournalDepartment> departments { get; set; }
        public List<JournalFile> files { get; set; }
        /// <summary>
        /// 子控件列表，如 Table 的每一行，结构为 [{ "list": [ JournalContentItem, ... ] }]
        /// </summary>
        public List<JournalChild> children { get; set; }
        public List<object> stat_field { get; set; }
        public List<object> sum_field { get; set; }
        public List<object> related_approval { get; set; }
        public List<object> students { get; set; }
        public List<object> classes { get; set; }
        public List<object> docs { get; set; }
        public List<object> wedrive_files { get; set; }
    }

    /// <summary>
    /// 汇报子项容器，如 Table 控件的一行，包含 list 数组
    /// </summary>
    public class JournalChild
    {
        public List<JournalContentItem> list { get; set; }
    }

    public class JournalDate
    {
        public string type { get; set; }
        /// <summary>
        /// 时间戳，企业微信API可能返回字符串或数字
        /// </summary>
        public string s_timestamp { get; set; }
        /// <summary>
        /// 解析后的时间戳（秒），解析失败时为 null
        /// </summary>
        public long? s_timestamp_long => long.TryParse(s_timestamp, out var v) ? v : null;
    }

    public class JournalSelector
    {
        public string type { get; set; }
        public List<JournalSelectorOption> options { get; set; }
        public List<object> op_relations { get; set; }
    }

    public class JournalSelectorOption
    {
        public string key { get; set; }
        public List<TitleItem> value { get; set; }
    }

    public class JournalMember
    {
        public string userid { get; set; }
        public string name { get; set; }
    }

    public class JournalDepartment
    {
        public string openapi_id { get; set; }
        public string name { get; set; }
    }

    public class JournalFile
    {
        public string file_id { get; set; }
    }

    public class JournalComment
    {
        public JournalCreator commentUserInfo { get; set; }
        public long commenttime { get; set; }
        public string commentcontent { get; set; }
        public string commentid { get; set; }
        public List<string> media_id { get; set; }
    }

    /// <summary>
    /// 汇报详情字段提取辅助
    /// </summary>
    public static class JournalFieldHelper
    {
        /// <summary>
        /// 从「客户单位信息」表格中获取「单位全称」
        /// </summary>
        public static string GetUnitName(this JournalRecordDetail detail) =>
            GetFieldValue(detail, "客户单位信息", "单位全称");

        /// <summary>
        /// 从指定表格中按标题获取字段值（支持 Table 控件，取第一行）
        /// </summary>
        /// <param name="detail">汇报详情</param>
        /// <param name="tableTitle">表格标题，如「客户单位信息」</param>
        /// <param name="fieldTitle">字段标题，如「单位全称」「单位类型」</param>
        public static string GetFieldValue(this JournalRecordDetail detail, string tableTitle, string fieldTitle)
        {
            var table = detail?.apply_data?.contents
                ?.FirstOrDefault(c => c.control == "Table" && GetTitleText(c) == tableTitle);
            var firstRow = table?.value?.children?.FirstOrDefault()?.list;
            var field = firstRow?.FirstOrDefault(c => GetTitleText(c) == fieldTitle);
            return field?.value?.text;
        }

        private static string GetTitleText(JournalContentItem item) =>
            item?.title?.FirstOrDefault()?.text;
    }
}