import { App, Modal, Notice, Setting, TFile } from "obsidian";
import type { InterviewConfig, InterviewProfile } from "../interview/types";
import { FolderTreeModal, type FolderTreeResult } from "./FolderTreeModal";
import { NoteIndex } from "../entityPicker/noteIndex";

export interface ProfileSelectionResult {
  profile: InterviewProfile;
  title: string;
  folderPath: string; // Vault-relative path, empty string for root
}

export class ProfileSelectionModal extends Modal {
  result: ProfileSelectionResult | null = null;
  onSubmit: (result: ProfileSelectionResult) => void;
  config: InterviewConfig;
  initialTitle: string;
  defaultFolderPath: string;
  private noteIndex: NoteIndex;

  constructor(
    app: App,
    config: InterviewConfig,
    onSubmit: (result: ProfileSelectionResult) => void,
    initialTitle: string = "",
    defaultFolderPath: string = ""
  ) {
    super(app);
    this.config = config;
    this.onSubmit = onSubmit;
    this.initialTitle = initialTitle;
    this.defaultFolderPath = defaultFolderPath;
    this.noteIndex = new NoteIndex(app);
  }

  onOpen(): void {
    const { contentEl } = this;

    contentEl.empty();
    contentEl.createEl("h2", { text: "Create Note from Profile" });

    // Group profiles by group
    const grouped = new Map<string, InterviewProfile[]>();
    const ungrouped: InterviewProfile[] = [];

    for (const profile of this.config.profiles) {
      if (profile.group) {
        if (!grouped.has(profile.group)) {
          grouped.set(profile.group, []);
        }
        const groupProfiles = grouped.get(profile.group);
        if (groupProfiles) {
          groupProfiles.push(profile);
        }
      } else {
        ungrouped.push(profile);
      }
    }

    let selectedProfile: InterviewProfile | null = null;
    let titleInput: string = this.initialTitle;
    let folderPath: string = this.defaultFolderPath;

    // Title input
    const titleSetting = new Setting(contentEl)
      .setName("Title")
      .setDesc("Note title")
      .addText((text) => {
        text.setValue(this.initialTitle).onChange((value) => {
          titleInput = value;
        });
        text.inputEl.focus();
        text.inputEl.select();
      });

    // Folder selection
    const folderDisplay = contentEl.createEl("div", { cls: "folder-display" });
    folderDisplay.style.marginBottom = "1em";
    folderDisplay.style.padding = "0.5em";
    folderDisplay.style.backgroundColor = "var(--background-secondary)";
    folderDisplay.style.borderRadius = "4px";
    
    const folderLabel = folderDisplay.createEl("span", {
      text: "Folder: ",
      cls: "folder-label",
    });
    const folderPathSpan = folderDisplay.createEl("span", {
      text: folderPath || "(root)",
      cls: "folder-path",
    });
    folderPathSpan.style.fontWeight = "bold";
    
    const folderButtonContainer = folderDisplay.createEl("div");
    folderButtonContainer.style.display = "flex";
    folderButtonContainer.style.gap = "0.5em";
    folderButtonContainer.style.marginTop = "0.5em";
    
    const pickFolderBtn = folderButtonContainer.createEl("button", {
      text: "Anpassen",
    });
    pickFolderBtn.onclick = async () => {
      const folderModal = new FolderTreeModal(this.app, this.noteIndex, folderPath);
      const result = await folderModal.show();
      if (result) {
        folderPath = result.folderPath;
        folderPathSpan.textContent = folderPath || "(root)";
      }
    };

    // Profile selection (grouped)
    for (const [groupName, profiles] of grouped.entries()) {
      contentEl.createEl("h3", { text: groupName });

      for (const profile of profiles) {
        const setting = new Setting(contentEl)
          .setName(profile.label)
          .setDesc(`Type: ${profile.note_type}`)
          .addButton((button) => {
            button.setButtonText("Select").onClick(() => {
              // Clear previous selection
              contentEl.querySelectorAll(".profile-selected").forEach((el) => {
                if (el instanceof HTMLElement) {
                  el.removeClass("profile-selected");
                }
              });
              // Mark as selected
              setting.settingEl.addClass("profile-selected");
              selectedProfile = profile;
              
              // Update folder path from profile defaults
              const profileFolder = (profile.defaults?.folder as string) || this.defaultFolderPath || "";
              folderPath = profileFolder;
              folderPathSpan.textContent = folderPath || "(root)";
              
              // Log selection
              console.log("Profile selected", {
                key: profile.key,
                label: profile.label,
                noteType: profile.note_type,
                stepCount: profile.steps?.length || 0,
                defaultFolder: profileFolder,
              });
            });
          });
      }
    }

    // Ungrouped profiles
    if (ungrouped.length > 0) {
      if (grouped.size > 0) {
        contentEl.createEl("h3", { text: "Other" });
      }

      for (const profile of ungrouped) {
        const setting = new Setting(contentEl)
          .setName(profile.label)
          .setDesc(`Type: ${profile.note_type}`)
          .addButton((button) => {
            button.setButtonText("Select").onClick(() => {
              // Clear previous selection
              contentEl.querySelectorAll(".profile-selected").forEach((el) => {
                if (el instanceof HTMLElement) {
                  el.removeClass("profile-selected");
                }
              });
              // Mark as selected
              setting.settingEl.addClass("profile-selected");
              selectedProfile = profile;
              
              // Update folder path from profile defaults
              const profileFolder = (profile.defaults?.folder as string) || this.defaultFolderPath || "";
              folderPath = profileFolder;
              folderPathSpan.textContent = folderPath || "(root)";
              
              // Log selection
              console.log("Profile selected", {
                key: profile.key,
                label: profile.label,
                noteType: profile.note_type,
                stepCount: profile.steps?.length || 0,
                defaultFolder: profileFolder,
              });
            });
          });
      }
    }

    // Submit button
    new Setting(contentEl).addButton((button) => {
      button
        .setButtonText("Create Note")
        .setCta()
        .onClick(() => {
          if (!selectedProfile) {
            new Notice("Please select a profile");
            return;
          }
          if (!titleInput.trim()) {
            new Notice("Please enter a title");
            return;
          }

          this.result = {
            profile: selectedProfile,
            title: titleInput.trim(),
            folderPath: folderPath.trim(),
          };
          this.onSubmit(this.result);
          this.close();
        });
    });
  }


  onClose(): void {
    const { contentEl } = this;
    contentEl.empty();
  }
}